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Finding the Fourth Proportional to 344,952.78, 517,477.92 and 120,280.44

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Solution

The fourth proportional to 344,952.78, 517,477.92 and 120,280.44 is: 180,437.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,952.78 : 517,477.92 = 120,280.44 : x
  2. Step 2: Convert to fraction form
    344,952.78/517,477.92 = 120,280.44/x
  3. Step 3: Cross multiply
    344,952.78x = 517,477.92 × 120,280.44
  4. Step 4: Simplify right side
    344,952.78x = 62,242,473,397.38
  5. Step 5: Solve for x
    x = 62,242,473,397.38/344,952.78
  6. Step 6: Final answer
    x = 180,437.66

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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.