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Finding the Fourth Proportional to 432,187.92, 596,403.68 and 238,591.49

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Solution

The fourth proportional to 432,187.92, 596,403.68 and 238,591.49 is: 329,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,187.92 : 596,403.68 = 238,591.49 : x
  2. Step 2: Convert to fraction form
    432,187.92/596,403.68 = 238,591.49/x
  3. Step 3: Cross multiply
    432,187.92x = 596,403.68 × 238,591.49
  4. Step 4: Simplify right side
    432,187.92x = 142,296,838,477.71
  5. Step 5: Solve for x
    x = 142,296,838,477.71/432,187.92
  6. Step 6: Final answer
    x = 329,247.61

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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.