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Finding the Fourth Proportional to 332,158.40, 498,237.60 and 285,502.40

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Solution

The fourth proportional to 332,158.40, 498,237.60 and 285,502.40 is: 428,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,158.40 : 498,237.60 = 285,502.40 : x
  2. Step 2: Convert to fraction form
    332,158.40/498,237.60 = 285,502.40/x
  3. Step 3: Cross multiply
    332,158.40x = 498,237.60 × 285,502.40
  4. Step 4: Simplify right side
    332,158.40x = 142,248,030,570.24
  5. Step 5: Solve for x
    x = 142,248,030,570.24/332,158.40
  6. Step 6: Final answer
    x = 428,253.60

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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.