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Finding the Fourth Proportional to 630,544.80, 944,434.80 and 547,600.80

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Solution

The fourth proportional to 630,544.80, 944,434.80 and 547,600.80 is: 820,200.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,544.80 : 944,434.80 = 547,600.80 : x
  2. Step 2: Convert to fraction form
    630,544.80/944,434.80 = 547,600.80/x
  3. Step 3: Cross multiply
    630,544.80x = 944,434.80 × 547,600.80
  4. Step 4: Simplify right side
    630,544.80x = 517,173,252,027.84
  5. Step 5: Solve for x
    x = 517,173,252,027.84/630,544.80
  6. Step 6: Final answer
    x = 820,200.65

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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.