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Finding the Fourth Proportional to 562,410.92, 776,127.14 and 307,762.13

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Solution

The fourth proportional to 562,410.92, 776,127.14 and 307,762.13 is: 424,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,410.92 : 776,127.14 = 307,762.13 : x
  2. Step 2: Convert to fraction form
    562,410.92/776,127.14 = 307,762.13/x
  3. Step 3: Cross multiply
    562,410.92x = 776,127.14 × 307,762.13
  4. Step 4: Simplify right side
    562,410.92x = 238,862,536,337.76
  5. Step 5: Solve for x
    x = 238,862,536,337.76/562,410.92
  6. Step 6: Final answer
    x = 424,711.77

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1.5x scale

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.