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Finding the Fourth Proportional to 288,495.79, 432,757.05 and 88,825.12

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Solution

The fourth proportional to 288,495.79, 432,757.05 and 88,825.12 is: 133,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,495.79 : 432,757.05 = 88,825.12 : x
  2. Step 2: Convert to fraction form
    288,495.79/432,757.05 = 88,825.12/x
  3. Step 3: Cross multiply
    288,495.79x = 432,757.05 × 88,825.12
  4. Step 4: Simplify right side
    288,495.79x = 38,439,696,897.10
  5. Step 5: Solve for x
    x = 38,439,696,897.10/288,495.79
  6. Step 6: Final answer
    x = 133,241.79

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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.