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Finding the Fourth Proportional to 555,124.32, 832,728.60 and 218,002.32

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Solution

The fourth proportional to 555,124.32, 832,728.60 and 218,002.32 is: 327,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,124.32 : 832,728.60 = 218,002.32 : x
  2. Step 2: Convert to fraction form
    555,124.32/832,728.60 = 218,002.32/x
  3. Step 3: Cross multiply
    555,124.32x = 832,728.60 × 218,002.32
  4. Step 4: Simplify right side
    555,124.32x = 181,536,766,730.35
  5. Step 5: Solve for x
    x = 181,536,766,730.35/555,124.32
  6. Step 6: Final answer
    x = 327,020.02

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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.