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Finding the Fourth Proportional to 238,820.48, 358,327.56 and 153,526.64

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Solution

The fourth proportional to 238,820.48, 358,327.56 and 153,526.64 is: 230,352.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,820.48 : 358,327.56 = 153,526.64 : x
  2. Step 2: Convert to fraction form
    238,820.48/358,327.56 = 153,526.64/x
  3. Step 3: Cross multiply
    238,820.48x = 358,327.56 × 153,526.64
  4. Step 4: Simplify right side
    238,820.48x = 55,012,826,306.20
  5. Step 5: Solve for x
    x = 55,012,826,306.20/238,820.48
  6. Step 6: Final answer
    x = 230,352.21

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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.