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Finding the Fourth Proportional to 424,114.84, 585,285.78 and 233,136.28

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Solution

The fourth proportional to 424,114.84, 585,285.78 and 233,136.28 is: 321,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,114.84 : 585,285.78 = 233,136.28 : x
  2. Step 2: Convert to fraction form
    424,114.84/585,285.78 = 233,136.28/x
  3. Step 3: Cross multiply
    424,114.84x = 585,285.78 × 233,136.28
  4. Step 4: Simplify right side
    424,114.84x = 136,451,349,486.10
  5. Step 5: Solve for x
    x = 136,451,349,486.10/424,114.84
  6. Step 6: Final answer
    x = 321,732.08

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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.