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Finding the Fourth Proportional to 498,528,095.15, 747,792,142.85 and 498,528,095.15

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Solution

The fourth proportional to 498,528,095.15, 747,792,142.85 and 498,528,095.15 is: 747,792,142.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,528,095.15 : 747,792,142.85 = 498,528,095.15 : x
  2. Step 2: Convert to fraction form
    498,528,095.15/747,792,142.85 = 498,528,095.15/x
  3. Step 3: Cross multiply
    498,528,095.15x = 747,792,142.85 × 498,528,095.15
  4. Step 4: Simplify right side
    498,528,095.15x = 372,795,392,543,147,200
  5. Step 5: Solve for x
    x = 372,795,392,543,147,200/498,528,095.15
  6. Step 6: Final answer
    x = 747,792,142.85

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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.