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Finding the Fourth Proportional to 584,187.90, 875,331.45 and 528,200.70

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Solution

The fourth proportional to 584,187.90, 875,331.45 and 528,200.70 is: 791,441.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,187.90 : 875,331.45 = 528,200.70 : x
  2. Step 2: Convert to fraction form
    584,187.90/875,331.45 = 528,200.70/x
  3. Step 3: Cross multiply
    584,187.90x = 875,331.45 × 528,200.70
  4. Step 4: Simplify right side
    584,187.90x = 462,350,684,622.02
  5. Step 5: Solve for x
    x = 462,350,684,622.02/584,187.90
  6. Step 6: Final answer
    x = 791,441.73

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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.