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Finding the Fourth Proportional to 310,881.80, 466,322.70 and 236,232.20

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Solution

The fourth proportional to 310,881.80, 466,322.70 and 236,232.20 is: 354,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,881.80 : 466,322.70 = 236,232.20 : x
  2. Step 2: Convert to fraction form
    310,881.80/466,322.70 = 236,232.20/x
  3. Step 3: Cross multiply
    310,881.80x = 466,322.70 × 236,232.20
  4. Step 4: Simplify right side
    310,881.80x = 110,160,437,330.94
  5. Step 5: Solve for x
    x = 110,160,437,330.94/310,881.80
  6. Step 6: Final answer
    x = 354,348.30

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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.