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Finding the Fourth Proportional to 488,576.60, 732,864.90 and 173,065.40

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Solution

The fourth proportional to 488,576.60, 732,864.90 and 173,065.40 is: 259,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,576.60 : 732,864.90 = 173,065.40 : x
  2. Step 2: Convert to fraction form
    488,576.60/732,864.90 = 173,065.40/x
  3. Step 3: Cross multiply
    488,576.60x = 732,864.90 × 173,065.40
  4. Step 4: Simplify right side
    488,576.60x = 126,833,557,064.46
  5. Step 5: Solve for x
    x = 126,833,557,064.46/488,576.60
  6. Step 6: Final answer
    x = 259,598.10

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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.