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Finding the Fourth Proportional to 609,514.38, 914,417.55 and 254,330.82

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Solution

The fourth proportional to 609,514.38, 914,417.55 and 254,330.82 is: 381,557.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,514.38 : 914,417.55 = 254,330.82 : x
  2. Step 2: Convert to fraction form
    609,514.38/914,417.55 = 254,330.82/x
  3. Step 3: Cross multiply
    609,514.38x = 914,417.55 × 254,330.82
  4. Step 4: Simplify right side
    609,514.38x = 232,564,565,313.89
  5. Step 5: Solve for x
    x = 232,564,565,313.89/609,514.38
  6. Step 6: Final answer
    x = 381,557.14

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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.