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Finding the Fourth Proportional to 498,512.30, 747,768.45 and 166,088.30

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Solution

The fourth proportional to 498,512.30, 747,768.45 and 166,088.30 is: 249,132.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,512.30 : 747,768.45 = 166,088.30 : x
  2. Step 2: Convert to fraction form
    498,512.30/747,768.45 = 166,088.30/x
  3. Step 3: Cross multiply
    498,512.30x = 747,768.45 × 166,088.30
  4. Step 4: Simplify right side
    498,512.30x = 124,195,590,654.14
  5. Step 5: Solve for x
    x = 124,195,590,654.14/498,512.30
  6. Step 6: Final answer
    x = 249,132.45

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Similar ratio
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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.