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Finding the Fourth Proportional to 516,000.20, 772,250.70 and 453,014.60

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Solution

The fourth proportional to 516,000.20, 772,250.70 and 453,014.60 is: 677,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,000.20 : 772,250.70 = 453,014.60 : x
  2. Step 2: Convert to fraction form
    516,000.20/772,250.70 = 453,014.60/x
  3. Step 3: Cross multiply
    516,000.20x = 772,250.70 × 453,014.60
  4. Step 4: Simplify right side
    516,000.20x = 349,840,841,960.22
  5. Step 5: Solve for x
    x = 349,840,841,960.22/516,000.20
  6. Step 6: Final answer
    x = 677,985.87

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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.