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Finding the Fourth Proportional to 589,713.40, 884,570.10 and 352,934.20

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Solution

The fourth proportional to 589,713.40, 884,570.10 and 352,934.20 is: 529,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,713.40 : 884,570.10 = 352,934.20 : x
  2. Step 2: Convert to fraction form
    589,713.40/884,570.10 = 352,934.20/x
  3. Step 3: Cross multiply
    589,713.40x = 884,570.10 × 352,934.20
  4. Step 4: Simplify right side
    589,713.40x = 312,195,040,587.42
  5. Step 5: Solve for x
    x = 312,195,040,587.42/589,713.40
  6. Step 6: Final answer
    x = 529,401.30

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Double scale
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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.