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Finding the Fourth Proportional to 453,644.40, 680,466.60 and 187,316.40

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Solution

The fourth proportional to 453,644.40, 680,466.60 and 187,316.40 is: 280,974.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,644.40 : 680,466.60 = 187,316.40 : x
  2. Step 2: Convert to fraction form
    453,644.40/680,466.60 = 187,316.40/x
  3. Step 3: Cross multiply
    453,644.40x = 680,466.60 × 187,316.40
  4. Step 4: Simplify right side
    453,644.40x = 127,462,553,832.24
  5. Step 5: Solve for x
    x = 127,462,553,832.24/453,644.40
  6. Step 6: Final answer
    x = 280,974.60

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1.5x scale

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.