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Finding the Fourth Proportional to 540,717.06, 746,244 and 299,017.92

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Solution

The fourth proportional to 540,717.06, 746,244 and 299,017.92 is: 412,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,717.06 : 746,244 = 299,017.92 : x
  2. Step 2: Convert to fraction form
    540,717.06/746,244 = 299,017.92/x
  3. Step 3: Cross multiply
    540,717.06x = 746,244 × 299,017.92
  4. Step 4: Simplify right side
    540,717.06x = 223,140,328,692.48
  5. Step 5: Solve for x
    x = 223,140,328,692.48/540,717.06
  6. Step 6: Final answer
    x = 412,674.84

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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.