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Finding the Fourth Proportional to 571,695.66, 857,363.58 and 206,910.18

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Solution

The fourth proportional to 571,695.66, 857,363.58 and 206,910.18 is: 310,300.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,695.66 : 857,363.58 = 206,910.18 : x
  2. Step 2: Convert to fraction form
    571,695.66/857,363.58 = 206,910.18/x
  3. Step 3: Cross multiply
    571,695.66x = 857,363.58 × 206,910.18
  4. Step 4: Simplify right side
    571,695.66x = 177,397,252,663.24
  5. Step 5: Solve for x
    x = 177,397,252,663.24/571,695.66
  6. Step 6: Final answer
    x = 310,300.16

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Double scale
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Similar ratio
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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.