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Finding the Fourth Proportional to 353,158.85, 529,726.54 and 153,479.44

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Solution

The fourth proportional to 353,158.85, 529,726.54 and 153,479.44 is: 230,214.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,158.85 : 529,726.54 = 153,479.44 : x
  2. Step 2: Convert to fraction form
    353,158.85/529,726.54 = 153,479.44/x
  3. Step 3: Cross multiply
    353,158.85x = 529,726.54 × 153,479.44
  4. Step 4: Simplify right side
    353,158.85x = 81,302,132,712.34
  5. Step 5: Solve for x
    x = 81,302,132,712.34/353,158.85
  6. Step 6: Final answer
    x = 230,214.06

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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.