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Finding the Fourth Proportional to 453,065.43, 679,595.10 and 153,756.73

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Solution

The fourth proportional to 453,065.43, 679,595.10 and 153,756.73 is: 230,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,065.43 : 679,595.10 = 153,756.73 : x
  2. Step 2: Convert to fraction form
    453,065.43/679,595.10 = 153,756.73/x
  3. Step 3: Cross multiply
    453,065.43x = 679,595.10 × 153,756.73
  4. Step 4: Simplify right side
    453,065.43x = 104,492,320,572.93
  5. Step 5: Solve for x
    x = 104,492,320,572.93/453,065.43
  6. Step 6: Final answer
    x = 230,634.06

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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.