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Finding the Fourth Proportional to 342,225.88, 472,272.80 and 191,322.88

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Solution

The fourth proportional to 342,225.88, 472,272.80 and 191,322.88 is: 264,026.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,225.88 : 472,272.80 = 191,322.88 : x
  2. Step 2: Convert to fraction form
    342,225.88/472,272.80 = 191,322.88/x
  3. Step 3: Cross multiply
    342,225.88x = 472,272.80 × 191,322.88
  4. Step 4: Simplify right side
    342,225.88x = 90,356,592,241.66
  5. Step 5: Solve for x
    x = 90,356,592,241.66/342,225.88
  6. Step 6: Final answer
    x = 264,026.18

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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.