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Finding the Fourth Proportional to 329,306.54, 454,408.25 and 186,038.91

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Solution

The fourth proportional to 329,306.54, 454,408.25 and 186,038.91 is: 256,714.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,306.54 : 454,408.25 = 186,038.91 : x
  2. Step 2: Convert to fraction form
    329,306.54/454,408.25 = 186,038.91/x
  3. Step 3: Cross multiply
    329,306.54x = 454,408.25 × 186,038.91
  4. Step 4: Simplify right side
    329,306.54x = 84,537,614,594.81
  5. Step 5: Solve for x
    x = 84,537,614,594.81/329,306.54
  6. Step 6: Final answer
    x = 256,714.05

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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.