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Finding the Fourth Proportional to 424,136.79, 585,293.91 and 233,148.80

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Solution

The fourth proportional to 424,136.79, 585,293.91 and 233,148.80 is: 321,737.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,136.79 : 585,293.91 = 233,148.80 : x
  2. Step 2: Convert to fraction form
    424,136.79/585,293.91 = 233,148.80/x
  3. Step 3: Cross multiply
    424,136.79x = 585,293.91 × 233,148.80
  4. Step 4: Simplify right side
    424,136.79x = 136,460,572,763.81
  5. Step 5: Solve for x
    x = 136,460,572,763.81/424,136.79
  6. Step 6: Final answer
    x = 321,737.18

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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.