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Finding the Fourth Proportional to 342,528.16, 472,376.56 and 294,114.96

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Solution

The fourth proportional to 342,528.16, 472,376.56 and 294,114.96 is: 405,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,528.16 : 472,376.56 = 294,114.96 : x
  2. Step 2: Convert to fraction form
    342,528.16/472,376.56 = 294,114.96/x
  3. Step 3: Cross multiply
    342,528.16x = 472,376.56 × 294,114.96
  4. Step 4: Simplify right side
    342,528.16x = 138,933,013,049.34
  5. Step 5: Solve for x
    x = 138,933,013,049.34/342,528.16
  6. Step 6: Final answer
    x = 405,610.48

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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.