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Finding the Fourth Proportional to 527,600.99, 728,340.46 and 353,471.04

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Solution

The fourth proportional to 527,600.99, 728,340.46 and 353,471.04 is: 487,958.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,600.99 : 728,340.46 = 353,471.04 : x
  2. Step 2: Convert to fraction form
    527,600.99/728,340.46 = 353,471.04/x
  3. Step 3: Cross multiply
    527,600.99x = 728,340.46 × 353,471.04
  4. Step 4: Simplify right side
    527,600.99x = 257,447,258,986.60
  5. Step 5: Solve for x
    x = 257,447,258,986.60/527,600.99
  6. Step 6: Final answer
    x = 487,958.25

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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.