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Finding the Fourth Proportional to 586,158.40, 879,237.60 and 531,920.80

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Solution

The fourth proportional to 586,158.40, 879,237.60 and 531,920.80 is: 797,881.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,158.40 : 879,237.60 = 531,920.80 : x
  2. Step 2: Convert to fraction form
    586,158.40/879,237.60 = 531,920.80/x
  3. Step 3: Cross multiply
    586,158.40x = 879,237.60 × 531,920.80
  4. Step 4: Simplify right side
    586,158.40x = 467,684,767,582.08
  5. Step 5: Solve for x
    x = 467,684,767,582.08/586,158.40
  6. Step 6: Final answer
    x = 797,881.20

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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.