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Finding the Fourth Proportional to 650,384.80, 974,337.90 and 350,765.80

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Solution

The fourth proportional to 650,384.80, 974,337.90 and 350,765.80 is: 525,480.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,384.80 : 974,337.90 = 350,765.80 : x
  2. Step 2: Convert to fraction form
    650,384.80/974,337.90 = 350,765.80/x
  3. Step 3: Cross multiply
    650,384.80x = 974,337.90 × 350,765.80
  4. Step 4: Simplify right side
    650,384.80x = 341,764,412,963.82
  5. Step 5: Solve for x
    x = 341,764,412,963.82/650,384.80
  6. Step 6: Final answer
    x = 525,480.32

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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.