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Finding the Fourth Proportional to 458,337.30, 687,615.30 and 233,732.40

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Solution

The fourth proportional to 458,337.30, 687,615.30 and 233,732.40 is: 350,654.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,337.30 : 687,615.30 = 233,732.40 : x
  2. Step 2: Convert to fraction form
    458,337.30/687,615.30 = 233,732.40/x
  3. Step 3: Cross multiply
    458,337.30x = 687,615.30 × 233,732.40
  4. Step 4: Simplify right side
    458,337.30x = 160,717,974,345.72
  5. Step 5: Solve for x
    x = 160,717,974,345.72/458,337.30
  6. Step 6: Final answer
    x = 350,654.36

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1.5x scale

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.