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Finding the Fourth Proportional to 675,472.14, 932,144.46 and 369,545.40

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Solution

The fourth proportional to 675,472.14, 932,144.46 and 369,545.40 is: 509,968.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,472.14 : 932,144.46 = 369,545.40 : x
  2. Step 2: Convert to fraction form
    675,472.14/932,144.46 = 369,545.40/x
  3. Step 3: Cross multiply
    675,472.14x = 932,144.46 × 369,545.40
  4. Step 4: Simplify right side
    675,472.14x = 344,469,697,328.48
  5. Step 5: Solve for x
    x = 344,469,697,328.48/675,472.14
  6. Step 6: Final answer
    x = 509,968.77

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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.