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Finding the Fourth Proportional to 453,987.76, 680,587.08 and 229,160.92

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Solution

The fourth proportional to 453,987.76, 680,587.08 and 229,160.92 is: 343,542.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,987.76 : 680,587.08 = 229,160.92 : x
  2. Step 2: Convert to fraction form
    453,987.76/680,587.08 = 229,160.92/x
  3. Step 3: Cross multiply
    453,987.76x = 680,587.08 × 229,160.92
  4. Step 4: Simplify right side
    453,987.76x = 155,963,961,392.91
  5. Step 5: Solve for x
    x = 155,963,961,392.91/453,987.76
  6. Step 6: Final answer
    x = 343,542.22

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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.