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Finding the Fourth Proportional to 303,686.10, 455,529.15 and 232,827.30

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Solution

The fourth proportional to 303,686.10, 455,529.15 and 232,827.30 is: 349,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,686.10 : 455,529.15 = 232,827.30 : x
  2. Step 2: Convert to fraction form
    303,686.10/455,529.15 = 232,827.30/x
  3. Step 3: Cross multiply
    303,686.10x = 455,529.15 × 232,827.30
  4. Step 4: Simplify right side
    303,686.10x = 106,059,622,065.80
  5. Step 5: Solve for x
    x = 106,059,622,065.80/303,686.10
  6. Step 6: Final answer
    x = 349,240.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.