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Finding the Fourth Proportional to 616,007.80, 924,011.70 and 416,942.20

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Solution

The fourth proportional to 616,007.80, 924,011.70 and 416,942.20 is: 625,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,007.80 : 924,011.70 = 416,942.20 : x
  2. Step 2: Convert to fraction form
    616,007.80/924,011.70 = 416,942.20/x
  3. Step 3: Cross multiply
    616,007.80x = 924,011.70 × 416,942.20
  4. Step 4: Simplify right side
    616,007.80x = 385,259,471,023.74
  5. Step 5: Solve for x
    x = 385,259,471,023.74/616,007.80
  6. Step 6: Final answer
    x = 625,413.30

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