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Finding the Fourth Proportional to 587,214.16, 810,412.42 and 329,134.96

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Solution

The fourth proportional to 587,214.16, 810,412.42 and 329,134.96 is: 454,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,214.16 : 810,412.42 = 329,134.96 : x
  2. Step 2: Convert to fraction form
    587,214.16/810,412.42 = 329,134.96/x
  3. Step 3: Cross multiply
    587,214.16x = 810,412.42 × 329,134.96
  4. Step 4: Simplify right side
    587,214.16x = 266,735,059,440.20
  5. Step 5: Solve for x
    x = 266,735,059,440.20/587,214.16
  6. Step 6: Final answer
    x = 454,238.13

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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.