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Finding the Fourth Proportional to 453,746.32, 680,619.56 and 187,214

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Solution

The fourth proportional to 453,746.32, 680,619.56 and 187,214 is: 280,821.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,746.32 : 680,619.56 = 187,214 : x
  2. Step 2: Convert to fraction form
    453,746.32/680,619.56 = 187,214/x
  3. Step 3: Cross multiply
    453,746.32x = 680,619.56 × 187,214
  4. Step 4: Simplify right side
    453,746.32x = 127,421,510,305.84
  5. Step 5: Solve for x
    x = 127,421,510,305.84/453,746.32
  6. Step 6: Final answer
    x = 280,821.03

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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.