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Finding the Fourth Proportional to 474,058.16, 654,364.92 and 272,934.32

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Solution

The fourth proportional to 474,058.16, 654,364.92 and 272,934.32 is: 376,744.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,058.16 : 654,364.92 = 272,934.32 : x
  2. Step 2: Convert to fraction form
    474,058.16/654,364.92 = 272,934.32/x
  3. Step 3: Cross multiply
    474,058.16x = 654,364.92 × 272,934.32
  4. Step 4: Simplify right side
    474,058.16x = 178,598,644,472.05
  5. Step 5: Solve for x
    x = 178,598,644,472.05/474,058.16
  6. Step 6: Final answer
    x = 376,744.16

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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.