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Finding the Fourth Proportional to 347,557.25, 520,442.24 and 240,789.12

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Solution

The fourth proportional to 347,557.25, 520,442.24 and 240,789.12 is: 360,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,557.25 : 520,442.24 = 240,789.12 : x
  2. Step 2: Convert to fraction form
    347,557.25/520,442.24 = 240,789.12/x
  3. Step 3: Cross multiply
    347,557.25x = 520,442.24 × 240,789.12
  4. Step 4: Simplify right side
    347,557.25x = 125,316,827,776.48
  5. Step 5: Solve for x
    x = 125,316,827,776.48/347,557.25
  6. Step 6: Final answer
    x = 360,564.57

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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.