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Finding the Fourth Proportional to 310,955.60, 466,087.80 and 133,432.40

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Solution

The fourth proportional to 310,955.60, 466,087.80 and 133,432.40 is: 200,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,955.60 : 466,087.80 = 133,432.40 : x
  2. Step 2: Convert to fraction form
    310,955.60/466,087.80 = 133,432.40/x
  3. Step 3: Cross multiply
    310,955.60x = 466,087.80 × 133,432.40
  4. Step 4: Simplify right side
    310,955.60x = 62,191,213,764.72
  5. Step 5: Solve for x
    x = 62,191,213,764.72/310,955.60
  6. Step 6: Final answer
    x = 200,000.30

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1.5x scale

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.