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Finding the Fourth Proportional to 501,349.44, 752,691.64 and 291,138.24

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Solution

The fourth proportional to 501,349.44, 752,691.64 and 291,138.24 is: 437,094.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,349.44 : 752,691.64 = 291,138.24 : x
  2. Step 2: Convert to fraction form
    501,349.44/752,691.64 = 291,138.24/x
  3. Step 3: Cross multiply
    501,349.44x = 752,691.64 × 291,138.24
  4. Step 4: Simplify right side
    501,349.44x = 219,137,319,332.31
  5. Step 5: Solve for x
    x = 219,137,319,332.31/501,349.44
  6. Step 6: Final answer
    x = 437,094.97

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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.