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Finding the Fourth Proportional to 471,554.64, 650,752.20 and 256,701.42

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Solution

The fourth proportional to 471,554.64, 650,752.20 and 256,701.42 is: 354,251.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,554.64 : 650,752.20 = 256,701.42 : x
  2. Step 2: Convert to fraction form
    471,554.64/650,752.20 = 256,701.42/x
  3. Step 3: Cross multiply
    471,554.64x = 650,752.20 × 256,701.42
  4. Step 4: Simplify right side
    471,554.64x = 167,049,013,808.12
  5. Step 5: Solve for x
    x = 167,049,013,808.12/471,554.64
  6. Step 6: Final answer
    x = 354,251.66

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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.