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Finding the Fourth Proportional to 342,098.07, 472,094.15 and 191,195.07

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Solution

The fourth proportional to 342,098.07, 472,094.15 and 191,195.07 is: 263,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,098.07 : 472,094.15 = 191,195.07 : x
  2. Step 2: Convert to fraction form
    342,098.07/472,094.15 = 191,195.07/x
  3. Step 3: Cross multiply
    342,098.07x = 472,094.15 × 191,195.07
  4. Step 4: Simplify right side
    342,098.07x = 90,262,074,055.84
  5. Step 5: Solve for x
    x = 90,262,074,055.84/342,098.07
  6. Step 6: Final answer
    x = 263,848.53

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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.