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Finding the Fourth Proportional to 632,208.08, 872,419.32 and 360,334.88

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Solution

The fourth proportional to 632,208.08, 872,419.32 and 360,334.88 is: 497,246.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,208.08 : 872,419.32 = 360,334.88 : x
  2. Step 2: Convert to fraction form
    632,208.08/872,419.32 = 360,334.88/x
  3. Step 3: Cross multiply
    632,208.08x = 872,419.32 × 360,334.88
  4. Step 4: Simplify right side
    632,208.08x = 314,363,110,981.88
  5. Step 5: Solve for x
    x = 314,363,110,981.88/632,208.08
  6. Step 6: Final answer
    x = 497,246.27

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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.