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Finding the Fourth Proportional to 346,081.42, 477,592.32 and 195,178.42

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Solution

The fourth proportional to 346,081.42, 477,592.32 and 195,178.42 is: 269,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,081.42 : 477,592.32 = 195,178.42 : x
  2. Step 2: Convert to fraction form
    346,081.42/477,592.32 = 195,178.42/x
  3. Step 3: Cross multiply
    346,081.42x = 477,592.32 × 195,178.42
  4. Step 4: Simplify right side
    346,081.42x = 93,215,714,421.73
  5. Step 5: Solve for x
    x = 93,215,714,421.73/346,081.42
  6. Step 6: Final answer
    x = 269,346.20

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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.