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Finding the Fourth Proportional to 586,055.70, 879,083.55 and 579,834.90

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Solution

The fourth proportional to 586,055.70, 879,083.55 and 579,834.90 is: 869,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,055.70 : 879,083.55 = 579,834.90 : x
  2. Step 2: Convert to fraction form
    586,055.70/879,083.55 = 579,834.90/x
  3. Step 3: Cross multiply
    586,055.70x = 879,083.55 × 579,834.90
  4. Step 4: Simplify right side
    586,055.70x = 509,723,322,305.90
  5. Step 5: Solve for x
    x = 509,723,322,305.90/586,055.70
  6. Step 6: Final answer
    x = 869,752.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.