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Finding the Fourth Proportional to 468,974.40, 703,612.26 and 153,359.52

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Solution

The fourth proportional to 468,974.40, 703,612.26 and 153,359.52 is: 230,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,974.40 : 703,612.26 = 153,359.52 : x
  2. Step 2: Convert to fraction form
    468,974.40/703,612.26 = 153,359.52/x
  3. Step 3: Cross multiply
    468,974.40x = 703,612.26 × 153,359.52
  4. Step 4: Simplify right side
    468,974.40x = 107,905,638,459.72
  5. Step 5: Solve for x
    x = 107,905,638,459.72/468,974.40
  6. Step 6: Final answer
    x = 230,088.55

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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.