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Finding the Fourth Proportional to 527,302.01, 727,676.51 and 285,584.55

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Solution

The fourth proportional to 527,302.01, 727,676.51 and 285,584.55 is: 394,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,302.01 : 727,676.51 = 285,584.55 : x
  2. Step 2: Convert to fraction form
    527,302.01/727,676.51 = 285,584.55/x
  3. Step 3: Cross multiply
    527,302.01x = 727,676.51 × 285,584.55
  4. Step 4: Simplify right side
    527,302.01x = 207,813,167,226.00
  5. Step 5: Solve for x
    x = 207,813,167,226.00/527,302.01
  6. Step 6: Final answer
    x = 394,106.54

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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.