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Finding the Fourth Proportional to 671,342.84, 926,472.80 and 365,439.17

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Solution

The fourth proportional to 671,342.84, 926,472.80 and 365,439.17 is: 504,316.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,342.84 : 926,472.80 = 365,439.17 : x
  2. Step 2: Convert to fraction form
    671,342.84/926,472.80 = 365,439.17/x
  3. Step 3: Cross multiply
    671,342.84x = 926,472.80 × 365,439.17
  4. Step 4: Simplify right side
    671,342.84x = 338,569,444,600.02
  5. Step 5: Solve for x
    x = 338,569,444,600.02/671,342.84
  6. Step 6: Final answer
    x = 504,316.76

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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.