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Finding the Fourth Proportional to 610,690.20, 915,592.43 and 410,514.09

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Solution

The fourth proportional to 610,690.20, 915,592.43 and 410,514.09 is: 615,473.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,690.20 : 915,592.43 = 410,514.09 : x
  2. Step 2: Convert to fraction form
    610,690.20/915,592.43 = 410,514.09/x
  3. Step 3: Cross multiply
    610,690.20x = 915,592.43 × 410,514.09
  4. Step 4: Simplify right side
    610,690.20x = 375,863,593,212.34
  5. Step 5: Solve for x
    x = 375,863,593,212.34/610,690.20
  6. Step 6: Final answer
    x = 615,473.43

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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.