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Finding the Fourth Proportional to 344,472.80, 475,315 and 191,506.72

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Solution

The fourth proportional to 344,472.80, 475,315 and 191,506.72 is: 264,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,472.80 : 475,315 = 191,506.72 : x
  2. Step 2: Convert to fraction form
    344,472.80/475,315 = 191,506.72/x
  3. Step 3: Cross multiply
    344,472.80x = 475,315 × 191,506.72
  4. Step 4: Simplify right side
    344,472.80x = 91,026,016,616.80
  5. Step 5: Solve for x
    x = 91,026,016,616.80/344,472.80
  6. Step 6: Final answer
    x = 264,247.33

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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.