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Finding the Fourth Proportional to 608,502.60, 913,502.70 and 383,862.60

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Solution

The fourth proportional to 608,502.60, 913,502.70 and 383,862.60 is: 576,266.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,502.60 : 913,502.70 = 383,862.60 : x
  2. Step 2: Convert to fraction form
    608,502.60/913,502.70 = 383,862.60/x
  3. Step 3: Cross multiply
    608,502.60x = 913,502.70 × 383,862.60
  4. Step 4: Simplify right side
    608,502.60x = 350,659,521,529.02
  5. Step 5: Solve for x
    x = 350,659,521,529.02/608,502.60
  6. Step 6: Final answer
    x = 576,266.27

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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.