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Finding the Fourth Proportional to 453,248.96, 679,776.24 and 186,940.40

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Solution

The fourth proportional to 453,248.96, 679,776.24 and 186,940.40 is: 280,370.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,248.96 : 679,776.24 = 186,940.40 : x
  2. Step 2: Convert to fraction form
    453,248.96/679,776.24 = 186,940.40/x
  3. Step 3: Cross multiply
    453,248.96x = 679,776.24 × 186,940.40
  4. Step 4: Simplify right side
    453,248.96x = 127,077,642,216.10
  5. Step 5: Solve for x
    x = 127,077,642,216.10/453,248.96
  6. Step 6: Final answer
    x = 280,370.51

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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.