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Finding the Fourth Proportional to 374,220.20, 561,330.30 and 216,367.40

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Solution

The fourth proportional to 374,220.20, 561,330.30 and 216,367.40 is: 324,551.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,220.20 : 561,330.30 = 216,367.40 : x
  2. Step 2: Convert to fraction form
    374,220.20/561,330.30 = 216,367.40/x
  3. Step 3: Cross multiply
    374,220.20x = 561,330.30 × 216,367.40
  4. Step 4: Simplify right side
    374,220.20x = 121,453,577,552.22
  5. Step 5: Solve for x
    x = 121,453,577,552.22/374,220.20
  6. Step 6: Final answer
    x = 324,551.10

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1.5x scale

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.