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Finding the Fourth Proportional to 453,037.40, 679,131.66 and 153,308.14

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Solution

The fourth proportional to 453,037.40, 679,131.66 and 153,308.14 is: 229,818.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,037.40 : 679,131.66 = 153,308.14 : x
  2. Step 2: Convert to fraction form
    453,037.40/679,131.66 = 153,308.14/x
  3. Step 3: Cross multiply
    453,037.40x = 679,131.66 × 153,308.14
  4. Step 4: Simplify right side
    453,037.40x = 104,116,411,609.71
  5. Step 5: Solve for x
    x = 104,116,411,609.71/453,037.40
  6. Step 6: Final answer
    x = 229,818.58

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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.