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Finding the Fourth Proportional to 632,193.54, 872,442.26 and 360,255.61

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Solution

The fourth proportional to 632,193.54, 872,442.26 and 360,255.61 is: 497,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,193.54 : 872,442.26 = 360,255.61 : x
  2. Step 2: Convert to fraction form
    632,193.54/872,442.26 = 360,255.61/x
  3. Step 3: Cross multiply
    632,193.54x = 872,442.26 × 360,255.61
  4. Step 4: Simplify right side
    632,193.54x = 314,302,218,566.08
  5. Step 5: Solve for x
    x = 314,302,218,566.08/632,193.54
  6. Step 6: Final answer
    x = 497,161.39

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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.