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Finding the Fourth Proportional to 453,036.60, 680,079.60 and 243,084.60

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Solution

The fourth proportional to 453,036.60, 680,079.60 and 243,084.60 is: 364,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,036.60 : 680,079.60 = 243,084.60 : x
  2. Step 2: Convert to fraction form
    453,036.60/680,079.60 = 243,084.60/x
  3. Step 3: Cross multiply
    453,036.60x = 680,079.60 × 243,084.60
  4. Step 4: Simplify right side
    453,036.60x = 165,316,877,534.16
  5. Step 5: Solve for x
    x = 165,316,877,534.16/453,036.60
  6. Step 6: Final answer
    x = 364,908.44

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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.