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Finding the Fourth Proportional to 310,859.50, 466,301.40 and 97,772.80

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Solution

The fourth proportional to 310,859.50, 466,301.40 and 97,772.80 is: 146,663.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,859.50 : 466,301.40 = 97,772.80 : x
  2. Step 2: Convert to fraction form
    310,859.50/466,301.40 = 97,772.80/x
  3. Step 3: Cross multiply
    310,859.50x = 466,301.40 × 97,772.80
  4. Step 4: Simplify right side
    310,859.50x = 45,591,593,521.92
  5. Step 5: Solve for x
    x = 45,591,593,521.92/310,859.50
  6. Step 6: Final answer
    x = 146,663.02

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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.