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Finding the Fourth Proportional to 555,125.32, 832,730.10 and 218,003.32

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Solution

The fourth proportional to 555,125.32, 832,730.10 and 218,003.32 is: 327,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,125.32 : 832,730.10 = 218,003.32 : x
  2. Step 2: Convert to fraction form
    555,125.32/832,730.10 = 218,003.32/x
  3. Step 3: Cross multiply
    555,125.32x = 832,730.10 × 218,003.32
  4. Step 4: Simplify right side
    555,125.32x = 181,537,926,463.93
  5. Step 5: Solve for x
    x = 181,537,926,463.93/555,125.32
  6. Step 6: Final answer
    x = 327,021.52

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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.