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Finding the Fourth Proportional to 288,833.60, 432,472.80 and 288,833.60

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Solution

The fourth proportional to 288,833.60, 432,472.80 and 288,833.60 is: 432,472.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,833.60 : 432,472.80 = 288,833.60 : x
  2. Step 2: Convert to fraction form
    288,833.60/432,472.80 = 288,833.60/x
  3. Step 3: Cross multiply
    288,833.60x = 432,472.80 × 288,833.60
  4. Step 4: Simplify right side
    288,833.60x = 124,912,675,726.08
  5. Step 5: Solve for x
    x = 124,912,675,726.08/288,833.60
  6. Step 6: Final answer
    x = 432,472.80

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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.