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Finding the Fourth Proportional to 458,335.30, 687,612.30 and 233,730.40

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Solution

The fourth proportional to 458,335.30, 687,612.30 and 233,730.40 is: 350,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,335.30 : 687,612.30 = 233,730.40 : x
  2. Step 2: Convert to fraction form
    458,335.30/687,612.30 = 233,730.40/x
  3. Step 3: Cross multiply
    458,335.30x = 687,612.30 × 233,730.40
  4. Step 4: Simplify right side
    458,335.30x = 160,715,897,923.92
  5. Step 5: Solve for x
    x = 160,715,897,923.92/458,335.30
  6. Step 6: Final answer
    x = 350,651.36

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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.