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Finding the Fourth Proportional to 675,724.34, 932,487.10 and 369,794.54

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Solution

The fourth proportional to 675,724.34, 932,487.10 and 369,794.54 is: 510,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,724.34 : 932,487.10 = 369,794.54 : x
  2. Step 2: Convert to fraction form
    675,724.34/932,487.10 = 369,794.54/x
  3. Step 3: Cross multiply
    675,724.34x = 932,487.10 × 369,794.54
  4. Step 4: Simplify right side
    675,724.34x = 344,828,639,607.17
  5. Step 5: Solve for x
    x = 344,828,639,607.17/675,724.34
  6. Step 6: Final answer
    x = 510,309.63

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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.