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Finding the Fourth Proportional to 453,834.60, 679,715.10 and 267,210.60

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Solution

The fourth proportional to 453,834.60, 679,715.10 and 267,210.60 is: 400,205.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,834.60 : 679,715.10 = 267,210.60 : x
  2. Step 2: Convert to fraction form
    453,834.60/679,715.10 = 267,210.60/x
  3. Step 3: Cross multiply
    453,834.60x = 679,715.10 × 267,210.60
  4. Step 4: Simplify right side
    453,834.60x = 181,627,079,700.06
  5. Step 5: Solve for x
    x = 181,627,079,700.06/453,834.60
  6. Step 6: Final answer
    x = 400,205.45

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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.