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Finding the Fourth Proportional to 598,637.70, 897,956.55 and 521,655.30

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Solution

The fourth proportional to 598,637.70, 897,956.55 and 521,655.30 is: 782,482.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,637.70 : 897,956.55 = 521,655.30 : x
  2. Step 2: Convert to fraction form
    598,637.70/897,956.55 = 521,655.30/x
  3. Step 3: Cross multiply
    598,637.70x = 897,956.55 × 521,655.30
  4. Step 4: Simplify right side
    598,637.70x = 468,423,793,477.22
  5. Step 5: Solve for x
    x = 468,423,793,477.22/598,637.70
  6. Step 6: Final answer
    x = 782,482.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.