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Finding the Fourth Proportional to 450,805.13, 676,026.04 and 162,534.70

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Solution

The fourth proportional to 450,805.13, 676,026.04 and 162,534.70 is: 243,736.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,805.13 : 676,026.04 = 162,534.70 : x
  2. Step 2: Convert to fraction form
    450,805.13/676,026.04 = 162,534.70/x
  3. Step 3: Cross multiply
    450,805.13x = 676,026.04 × 162,534.70
  4. Step 4: Simplify right side
    450,805.13x = 109,877,689,603.59
  5. Step 5: Solve for x
    x = 109,877,689,603.59/450,805.13
  6. Step 6: Final answer
    x = 243,736.56

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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.