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Finding the Fourth Proportional to 432,473.68, 648,801.65 and 162,603.55

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Solution

The fourth proportional to 432,473.68, 648,801.65 and 162,603.55 is: 243,939.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,473.68 : 648,801.65 = 162,603.55 : x
  2. Step 2: Convert to fraction form
    432,473.68/648,801.65 = 162,603.55/x
  3. Step 3: Cross multiply
    432,473.68x = 648,801.65 × 162,603.55
  4. Step 4: Simplify right side
    432,473.68x = 105,497,451,535.86
  5. Step 5: Solve for x
    x = 105,497,451,535.86/432,473.68
  6. Step 6: Final answer
    x = 243,939.59

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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.