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Finding the Fourth Proportional to 424,651.02, 586,034.57 and 243,397.93

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Solution

The fourth proportional to 424,651.02, 586,034.57 and 243,397.93 is: 335,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,651.02 : 586,034.57 = 243,397.93 : x
  2. Step 2: Convert to fraction form
    424,651.02/586,034.57 = 243,397.93/x
  3. Step 3: Cross multiply
    424,651.02x = 586,034.57 × 243,397.93
  4. Step 4: Simplify right side
    424,651.02x = 142,639,598,316.27
  5. Step 5: Solve for x
    x = 142,639,598,316.27/424,651.02
  6. Step 6: Final answer
    x = 335,898.40

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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.