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Finding the Fourth Proportional to 424,654.14, 586,038.88 and 243,401.06

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Solution

The fourth proportional to 424,654.14, 586,038.88 and 243,401.06 is: 335,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,654.14 : 586,038.88 = 243,401.06 : x
  2. Step 2: Convert to fraction form
    424,654.14/586,038.88 = 243,401.06/x
  3. Step 3: Cross multiply
    424,654.14x = 586,038.88 × 243,401.06
  4. Step 4: Simplify right side
    424,654.14x = 142,642,484,593.21
  5. Step 5: Solve for x
    x = 142,642,484,593.21/424,654.14
  6. Step 6: Final answer
    x = 335,902.73

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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.