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Finding the Fourth Proportional to 453,003.40, 679,505.10 and 243,051.40

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Solution

The fourth proportional to 453,003.40, 679,505.10 and 243,051.40 is: 364,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,003.40 : 679,505.10 = 243,051.40 : x
  2. Step 2: Convert to fraction form
    453,003.40/679,505.10 = 243,051.40/x
  3. Step 3: Cross multiply
    453,003.40x = 679,505.10 × 243,051.40
  4. Step 4: Simplify right side
    453,003.40x = 165,154,665,862.14
  5. Step 5: Solve for x
    x = 165,154,665,862.14/453,003.40
  6. Step 6: Final answer
    x = 364,577.10

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Similar ratio
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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.