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Finding the Fourth Proportional to 424,395.18, 585,654.75 and 230,800.59

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Solution

The fourth proportional to 424,395.18, 585,654.75 and 230,800.59 is: 318,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,395.18 : 585,654.75 = 230,800.59 : x
  2. Step 2: Convert to fraction form
    424,395.18/585,654.75 = 230,800.59/x
  3. Step 3: Cross multiply
    424,395.18x = 585,654.75 × 230,800.59
  4. Step 4: Simplify right side
    424,395.18x = 135,169,461,836.30
  5. Step 5: Solve for x
    x = 135,169,461,836.30/424,395.18
  6. Step 6: Final answer
    x = 318,499.05

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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.