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Finding the Fourth Proportional to 588,404.60, 812,010.32 and 330,300.14

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Solution

The fourth proportional to 588,404.60, 812,010.32 and 330,300.14 is: 455,820.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,404.60 : 812,010.32 = 330,300.14 : x
  2. Step 2: Convert to fraction form
    588,404.60/812,010.32 = 330,300.14/x
  3. Step 3: Cross multiply
    588,404.60x = 812,010.32 × 330,300.14
  4. Step 4: Simplify right side
    588,404.60x = 268,207,123,613.97
  5. Step 5: Solve for x
    x = 268,207,123,613.97/588,404.60
  6. Step 6: Final answer
    x = 455,820.91

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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.