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Finding the Fourth Proportional to 632,201.92, 872,453.80 and 360,264

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Solution

The fourth proportional to 632,201.92, 872,453.80 and 360,264 is: 497,172.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,201.92 : 872,453.80 = 360,264 : x
  2. Step 2: Convert to fraction form
    632,201.92/872,453.80 = 360,264/x
  3. Step 3: Cross multiply
    632,201.92x = 872,453.80 × 360,264
  4. Step 4: Simplify right side
    632,201.92x = 314,313,695,803.20
  5. Step 5: Solve for x
    x = 314,313,695,803.20/632,201.92
  6. Step 6: Final answer
    x = 497,172.95

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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.