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Finding the Fourth Proportional to 562,342.04, 776,031.54 and 307,694.28

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Solution

The fourth proportional to 562,342.04, 776,031.54 and 307,694.28 is: 424,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,342.04 : 776,031.54 = 307,694.28 : x
  2. Step 2: Convert to fraction form
    562,342.04/776,031.54 = 307,694.28/x
  3. Step 3: Cross multiply
    562,342.04x = 776,031.54 × 307,694.28
  4. Step 4: Simplify right side
    562,342.04x = 238,780,465,957.59
  5. Step 5: Solve for x
    x = 238,780,465,957.59/562,342.04
  6. Step 6: Final answer
    x = 424,617.85

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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.