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Finding the Fourth Proportional to 352,854.01, 529,280.20 and 153,148.51

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Solution

The fourth proportional to 352,854.01, 529,280.20 and 153,148.51 is: 229,722.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,854.01 : 529,280.20 = 153,148.51 : x
  2. Step 2: Convert to fraction form
    352,854.01/529,280.20 = 153,148.51/x
  3. Step 3: Cross multiply
    352,854.01x = 529,280.20 × 153,148.51
  4. Step 4: Simplify right side
    352,854.01x = 81,058,474,002.50
  5. Step 5: Solve for x
    x = 81,058,474,002.50/352,854.01
  6. Step 6: Final answer
    x = 229,722.41

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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.