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Finding the Fourth Proportional to 363,982.40, 546,050.40 and 114,689.60

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Solution

The fourth proportional to 363,982.40, 546,050.40 and 114,689.60 is: 172,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,982.40 : 546,050.40 = 114,689.60 : x
  2. Step 2: Convert to fraction form
    363,982.40/546,050.40 = 114,689.60/x
  3. Step 3: Cross multiply
    363,982.40x = 546,050.40 × 114,689.60
  4. Step 4: Simplify right side
    363,982.40x = 62,626,301,955.84
  5. Step 5: Solve for x
    x = 62,626,301,955.84/363,982.40
  6. Step 6: Final answer
    x = 172,058.60

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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.