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Finding the Fourth Proportional to 632,546.24, 873,293.47 and 391,152.47

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Solution

The fourth proportional to 632,546.24, 873,293.47 and 391,152.47 is: 540,025.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,546.24 : 873,293.47 = 391,152.47 : x
  2. Step 2: Convert to fraction form
    632,546.24/873,293.47 = 391,152.47/x
  3. Step 3: Cross multiply
    632,546.24x = 873,293.47 × 391,152.47
  4. Step 4: Simplify right side
    632,546.24x = 341,590,892,481.02
  5. Step 5: Solve for x
    x = 341,590,892,481.02/632,546.24
  6. Step 6: Final answer
    x = 540,025.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.