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Finding the Fourth Proportional to 464,125.80, 695,267.10 and 253,386.60

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Solution

The fourth proportional to 464,125.80, 695,267.10 and 253,386.60 is: 379,576.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,125.80 : 695,267.10 = 253,386.60 : x
  2. Step 2: Convert to fraction form
    464,125.80/695,267.10 = 253,386.60/x
  3. Step 3: Cross multiply
    464,125.80x = 695,267.10 × 253,386.60
  4. Step 4: Simplify right side
    464,125.80x = 176,171,366,560.86
  5. Step 5: Solve for x
    x = 176,171,366,560.86/464,125.80
  6. Step 6: Final answer
    x = 379,576.76

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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.