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Finding the Fourth Proportional to 292,505.24, 438,757.86 and 70,889.24

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Solution

The fourth proportional to 292,505.24, 438,757.86 and 70,889.24 is: 106,333.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,505.24 : 438,757.86 = 70,889.24 : x
  2. Step 2: Convert to fraction form
    292,505.24/438,757.86 = 70,889.24/x
  3. Step 3: Cross multiply
    292,505.24x = 438,757.86 × 70,889.24
  4. Step 4: Simplify right side
    292,505.24x = 31,103,208,691.19
  5. Step 5: Solve for x
    x = 31,103,208,691.19/292,505.24
  6. Step 6: Final answer
    x = 106,333.85

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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.