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Finding the Fourth Proportional to 438,886.07, 658,329.37 and 106,462.07

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Solution

The fourth proportional to 438,886.07, 658,329.37 and 106,462.07 is: 159,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,886.07 : 658,329.37 = 106,462.07 : x
  2. Step 2: Convert to fraction form
    438,886.07/658,329.37 = 106,462.07/x
  3. Step 3: Cross multiply
    438,886.07x = 658,329.37 × 106,462.07
  4. Step 4: Simplify right side
    438,886.07x = 70,087,103,648.04
  5. Step 5: Solve for x
    x = 70,087,103,648.04/438,886.07
  6. Step 6: Final answer
    x = 159,693.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.