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Finding the Fourth Proportional to 332,288.80, 498,548.40 and 145,434.40

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Solution

The fourth proportional to 332,288.80, 498,548.40 and 145,434.40 is: 218,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,288.80 : 498,548.40 = 145,434.40 : x
  2. Step 2: Convert to fraction form
    332,288.80/498,548.40 = 145,434.40/x
  3. Step 3: Cross multiply
    332,288.80x = 498,548.40 × 145,434.40
  4. Step 4: Simplify right side
    332,288.80x = 72,506,087,424.96
  5. Step 5: Solve for x
    x = 72,506,087,424.96/332,288.80
  6. Step 6: Final answer
    x = 218,202.02

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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.