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Finding the Fourth Proportional to 424,386.53, 585,664.49 and 233,404.93

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Solution

The fourth proportional to 424,386.53, 585,664.49 and 233,404.93 is: 322,104.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,386.53 : 585,664.49 = 233,404.93 : x
  2. Step 2: Convert to fraction form
    424,386.53/585,664.49 = 233,404.93/x
  3. Step 3: Cross multiply
    424,386.53x = 585,664.49 × 233,404.93
  4. Step 4: Simplify right side
    424,386.53x = 136,696,979,291.94
  5. Step 5: Solve for x
    x = 136,696,979,291.94/424,386.53
  6. Step 6: Final answer
    x = 322,104.90

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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.