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Finding the Fourth Proportional to 424,772.51, 586,181.61 and 233,781.80

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Solution

The fourth proportional to 424,772.51, 586,181.61 and 233,781.80 is: 322,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,772.51 : 586,181.61 = 233,781.80 : x
  2. Step 2: Convert to fraction form
    424,772.51/586,181.61 = 233,781.80/x
  3. Step 3: Cross multiply
    424,772.51x = 586,181.61 × 233,781.80
  4. Step 4: Simplify right side
    424,772.51x = 137,038,588,981.79
  5. Step 5: Solve for x
    x = 137,038,588,981.79/424,772.51
  6. Step 6: Final answer
    x = 322,616.43

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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.