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Finding the Fourth Proportional to 555,715.59, 833,486.10 and 176,586.40

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Solution

The fourth proportional to 555,715.59, 833,486.10 and 176,586.40 is: 264,851.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,715.59 : 833,486.10 = 176,586.40 : x
  2. Step 2: Convert to fraction form
    555,715.59/833,486.10 = 176,586.40/x
  3. Step 3: Cross multiply
    555,715.59x = 833,486.10 × 176,586.40
  4. Step 4: Simplify right side
    555,715.59x = 147,182,309,849.04
  5. Step 5: Solve for x
    x = 147,182,309,849.04/555,715.59
  6. Step 6: Final answer
    x = 264,851.86

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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.