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Finding the Fourth Proportional to 424,136.78, 585,293.88 and 233,148.80

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Solution

The fourth proportional to 424,136.78, 585,293.88 and 233,148.80 is: 321,737.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,136.78 : 585,293.88 = 233,148.80 : x
  2. Step 2: Convert to fraction form
    424,136.78/585,293.88 = 233,148.80/x
  3. Step 3: Cross multiply
    424,136.78x = 585,293.88 × 233,148.80
  4. Step 4: Simplify right side
    424,136.78x = 136,460,565,769.34
  5. Step 5: Solve for x
    x = 136,460,565,769.34/424,136.78
  6. Step 6: Final answer
    x = 321,737.17

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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.