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Finding the Fourth Proportional to 650,013.96, 974,222.36 and 365,105.60

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Solution

The fourth proportional to 650,013.96, 974,222.36 and 365,105.60 is: 547,209.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,013.96 : 974,222.36 = 365,105.60 : x
  2. Step 2: Convert to fraction form
    650,013.96/974,222.36 = 365,105.60/x
  3. Step 3: Cross multiply
    650,013.96x = 974,222.36 × 365,105.60
  4. Step 4: Simplify right side
    650,013.96x = 355,694,041,373.92
  5. Step 5: Solve for x
    x = 355,694,041,373.92/650,013.96
  6. Step 6: Final answer
    x = 547,209.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.