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Finding the Fourth Proportional to 555,686.72, 833,653.10 and 176,723.36

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Solution

The fourth proportional to 555,686.72, 833,653.10 and 176,723.36 is: 265,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,686.72 : 833,653.10 = 176,723.36 : x
  2. Step 2: Convert to fraction form
    555,686.72/833,653.10 = 176,723.36/x
  3. Step 3: Cross multiply
    555,686.72x = 833,653.10 × 176,723.36
  4. Step 4: Simplify right side
    555,686.72x = 147,325,976,906.42
  5. Step 5: Solve for x
    x = 147,325,976,906.42/555,686.72
  6. Step 6: Final answer
    x = 265,124.16

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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.