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Finding the Fourth Proportional to 670,283.92, 925,931.76 and 609,747.76

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Solution

The fourth proportional to 670,283.92, 925,931.76 and 609,747.76 is: 842,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,283.92 : 925,931.76 = 609,747.76 : x
  2. Step 2: Convert to fraction form
    670,283.92/925,931.76 = 609,747.76/x
  3. Step 3: Cross multiply
    670,283.92x = 925,931.76 × 609,747.76
  4. Step 4: Simplify right side
    670,283.92x = 564,584,816,572.86
  5. Step 5: Solve for x
    x = 564,584,816,572.86/670,283.92
  6. Step 6: Final answer
    x = 842,306.97

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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.