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Finding the Fourth Proportional to 436,902.77, 602,887.39 and 243,295.85

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Solution

The fourth proportional to 436,902.77, 602,887.39 and 243,295.85 is: 335,726.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,902.77 : 602,887.39 = 243,295.85 : x
  2. Step 2: Convert to fraction form
    436,902.77/602,887.39 = 243,295.85/x
  3. Step 3: Cross multiply
    436,902.77x = 602,887.39 × 243,295.85
  4. Step 4: Simplify right side
    436,902.77x = 146,680,000,903.31
  5. Step 5: Solve for x
    x = 146,680,000,903.31/436,902.77
  6. Step 6: Final answer
    x = 335,726.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.