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Finding the Fourth Proportional to 626,216.35, 864,259.95 and 350,679.10

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Solution

The fourth proportional to 626,216.35, 864,259.95 and 350,679.10 is: 483,982.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,216.35 : 864,259.95 = 350,679.10 : x
  2. Step 2: Convert to fraction form
    626,216.35/864,259.95 = 350,679.10/x
  3. Step 3: Cross multiply
    626,216.35x = 864,259.95 × 350,679.10
  4. Step 4: Simplify right side
    626,216.35x = 303,077,901,432.05
  5. Step 5: Solve for x
    x = 303,077,901,432.05/626,216.35
  6. Step 6: Final answer
    x = 483,982.73

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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.