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Finding the Fourth Proportional to 352,870.76, 529,305.32 and 153,165.26

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Solution

The fourth proportional to 352,870.76, 529,305.32 and 153,165.26 is: 229,747.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,870.76 : 529,305.32 = 153,165.26 : x
  2. Step 2: Convert to fraction form
    352,870.76/529,305.32 = 153,165.26/x
  3. Step 3: Cross multiply
    352,870.76x = 529,305.32 × 153,165.26
  4. Step 4: Simplify right side
    352,870.76x = 81,071,186,957.18
  5. Step 5: Solve for x
    x = 81,071,186,957.18/352,870.76
  6. Step 6: Final answer
    x = 229,747.53

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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.