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Finding the Fourth Proportional to 332,181.10, 498,271.65 and 306,520.30

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Solution

The fourth proportional to 332,181.10, 498,271.65 and 306,520.30 is: 459,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,181.10 : 498,271.65 = 306,520.30 : x
  2. Step 2: Convert to fraction form
    332,181.10/498,271.65 = 306,520.30/x
  3. Step 3: Cross multiply
    332,181.10x = 498,271.65 × 306,520.30
  4. Step 4: Simplify right side
    332,181.10x = 152,730,375,639.50
  5. Step 5: Solve for x
    x = 152,730,375,639.50/332,181.10
  6. Step 6: Final answer
    x = 459,780.45

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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.