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Finding the Fourth Proportional to 453,008.80, 679,547.98 and 149,284.82

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Solution

The fourth proportional to 453,008.80, 679,547.98 and 149,284.82 is: 223,938.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,008.80 : 679,547.98 = 149,284.82 : x
  2. Step 2: Convert to fraction form
    453,008.80/679,547.98 = 149,284.82/x
  3. Step 3: Cross multiply
    453,008.80x = 679,547.98 × 149,284.82
  4. Step 4: Simplify right side
    453,008.80x = 101,446,199,761.14
  5. Step 5: Solve for x
    x = 101,446,199,761.14/453,008.80
  6. Step 6: Final answer
    x = 223,938.69

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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.