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Finding the Fourth Proportional to 453,116.70, 679,653.45 and 153,567.90

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Solution

The fourth proportional to 453,116.70, 679,653.45 and 153,567.90 is: 230,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,116.70 : 679,653.45 = 153,567.90 : x
  2. Step 2: Convert to fraction form
    453,116.70/679,653.45 = 153,567.90/x
  3. Step 3: Cross multiply
    453,116.70x = 679,653.45 × 153,567.90
  4. Step 4: Simplify right side
    453,116.70x = 104,372,953,044.26
  5. Step 5: Solve for x
    x = 104,372,953,044.26/453,116.70
  6. Step 6: Final answer
    x = 230,344.53

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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.