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Finding the Fourth Proportional to 453,170.56, 679,312.50 and 187,155.22

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Solution

The fourth proportional to 453,170.56, 679,312.50 and 187,155.22 is: 280,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,170.56 : 679,312.50 = 187,155.22 : x
  2. Step 2: Convert to fraction form
    453,170.56/679,312.50 = 187,155.22/x
  3. Step 3: Cross multiply
    453,170.56x = 679,312.50 × 187,155.22
  4. Step 4: Simplify right side
    453,170.56x = 127,136,880,386.25
  5. Step 5: Solve for x
    x = 127,136,880,386.25/453,170.56
  6. Step 6: Final answer
    x = 280,549.73

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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.