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Finding the Fourth Proportional to 540,588.71, 746,027.99 and 298,886.88

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Solution

The fourth proportional to 540,588.71, 746,027.99 and 298,886.88 is: 412,472.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,588.71 : 746,027.99 = 298,886.88 : x
  2. Step 2: Convert to fraction form
    540,588.71/746,027.99 = 298,886.88/x
  3. Step 3: Cross multiply
    540,588.71x = 746,027.99 × 298,886.88
  4. Step 4: Simplify right side
    540,588.71x = 222,977,980,747.77
  5. Step 5: Solve for x
    x = 222,977,980,747.77/540,588.71
  6. Step 6: Final answer
    x = 412,472.51

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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.