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Finding the Fourth Proportional to 453,701.52, 680,653.53 and 138,182.76

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Solution

The fourth proportional to 453,701.52, 680,653.53 and 138,182.76 is: 207,304.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,701.52 : 680,653.53 = 138,182.76 : x
  2. Step 2: Convert to fraction form
    453,701.52/680,653.53 = 138,182.76/x
  3. Step 3: Cross multiply
    453,701.52x = 680,653.53 × 138,182.76
  4. Step 4: Simplify right side
    453,701.52x = 94,054,583,379.14
  5. Step 5: Solve for x
    x = 94,054,583,379.14/453,701.52
  6. Step 6: Final answer
    x = 207,304.98

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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.