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Finding the Fourth Proportional to 588,557.76, 812,153.60 and 330,375.60

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Solution

The fourth proportional to 588,557.76, 812,153.60 and 330,375.60 is: 455,886.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    588,557.76 : 812,153.60 = 330,375.60 : x
  2. Step 2: Convert to fraction form
    588,557.76/812,153.60 = 330,375.60/x
  3. Step 3: Cross multiply
    588,557.76x = 812,153.60 × 330,375.60
  4. Step 4: Simplify right side
    588,557.76x = 268,315,732,892.16
  5. Step 5: Solve for x
    x = 268,315,732,892.16/588,557.76
  6. Step 6: Final answer
    x = 455,886.83

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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.