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Finding the Fourth Proportional to 424,089.84, 585,248.52 and 230,497.56

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Solution

The fourth proportional to 424,089.84, 585,248.52 and 230,497.56 is: 318,089.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,089.84 : 585,248.52 = 230,497.56 : x
  2. Step 2: Convert to fraction form
    424,089.84/585,248.52 = 230,497.56/x
  3. Step 3: Cross multiply
    424,089.84x = 585,248.52 × 230,497.56
  4. Step 4: Simplify right side
    424,089.84x = 134,898,355,853.61
  5. Step 5: Solve for x
    x = 134,898,355,853.61/424,089.84
  6. Step 6: Final answer
    x = 318,089.10

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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.