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Finding the Fourth Proportional to 356,044.40, 534,066.60 and 329,010.80

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Solution

The fourth proportional to 356,044.40, 534,066.60 and 329,010.80 is: 493,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,044.40 : 534,066.60 = 329,010.80 : x
  2. Step 2: Convert to fraction form
    356,044.40/534,066.60 = 329,010.80/x
  3. Step 3: Cross multiply
    356,044.40x = 534,066.60 × 329,010.80
  4. Step 4: Simplify right side
    356,044.40x = 175,713,679,319.28
  5. Step 5: Solve for x
    x = 175,713,679,319.28/356,044.40
  6. Step 6: Final answer
    x = 493,516.20

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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.