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Finding the Fourth Proportional to 571,781.04, 857,492.58 and 206,996.62

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Solution

The fourth proportional to 571,781.04, 857,492.58 and 206,996.62 is: 310,430.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,781.04 : 857,492.58 = 206,996.62 : x
  2. Step 2: Convert to fraction form
    571,781.04/857,492.58 = 206,996.62/x
  3. Step 3: Cross multiply
    571,781.04x = 857,492.58 × 206,996.62
  4. Step 4: Simplify right side
    571,781.04x = 177,498,065,735.08
  5. Step 5: Solve for x
    x = 177,498,065,735.08/571,781.04
  6. Step 6: Final answer
    x = 310,430.14

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Double scale
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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.