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Finding the Fourth Proportional to 462,061.68, 637,640.13 and 258,133.04

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Solution

The fourth proportional to 462,061.68, 637,640.13 and 258,133.04 is: 356,220.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,061.68 : 637,640.13 = 258,133.04 : x
  2. Step 2: Convert to fraction form
    462,061.68/637,640.13 = 258,133.04/x
  3. Step 3: Cross multiply
    462,061.68x = 637,640.13 × 258,133.04
  4. Step 4: Simplify right side
    462,061.68x = 164,595,985,182.90
  5. Step 5: Solve for x
    x = 164,595,985,182.90/462,061.68
  6. Step 6: Final answer
    x = 356,220.81

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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.