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Finding the Fourth Proportional to 632,347,548, 872,639,616.24 and 342,940,572

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Solution

The fourth proportional to 632,347,548, 872,639,616.24 and 342,940,572 is: 473,257,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,347,548 : 872,639,616.24 = 342,940,572 : x
  2. Step 2: Convert to fraction form
    632,347,548/872,639,616.24 = 342,940,572/x
  3. Step 3: Cross multiply
    632,347,548x = 872,639,616.24 × 342,940,572
  4. Step 4: Simplify right side
    632,347,548x = 299,263,529,143,206,080
  5. Step 5: Solve for x
    x = 299,263,529,143,206,080/632,347,548
  6. Step 6: Final answer
    x = 473,257,989.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.