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Finding the Fourth Proportional to 567,320.40, 852,247.80 and 474,008.40

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Solution

The fourth proportional to 567,320.40, 852,247.80 and 474,008.40 is: 712,071.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,320.40 : 852,247.80 = 474,008.40 : x
  2. Step 2: Convert to fraction form
    567,320.40/852,247.80 = 474,008.40/x
  3. Step 3: Cross multiply
    567,320.40x = 852,247.80 × 474,008.40
  4. Step 4: Simplify right side
    567,320.40x = 403,972,616,081.52
  5. Step 5: Solve for x
    x = 403,972,616,081.52/567,320.40
  6. Step 6: Final answer
    x = 712,071.37

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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.