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Finding the Fourth Proportional to 586,006.12, 879,030.78 and 165,293.20

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Solution

The fourth proportional to 586,006.12, 879,030.78 and 165,293.20 is: 247,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,006.12 : 879,030.78 = 165,293.20 : x
  2. Step 2: Convert to fraction form
    586,006.12/879,030.78 = 165,293.20/x
  3. Step 3: Cross multiply
    586,006.12x = 879,030.78 × 165,293.20
  4. Step 4: Simplify right side
    586,006.12x = 145,297,810,524.70
  5. Step 5: Solve for x
    x = 145,297,810,524.70/586,006.12
  6. Step 6: Final answer
    x = 247,945.89

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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.