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Finding the Fourth Proportional to 630,620.80, 944,548.80 and 547,676.80

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Solution

The fourth proportional to 630,620.80, 944,548.80 and 547,676.80 is: 820,314.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,620.80 : 944,548.80 = 547,676.80 : x
  2. Step 2: Convert to fraction form
    630,620.80/944,548.80 = 547,676.80/x
  3. Step 3: Cross multiply
    630,620.80x = 944,548.80 × 547,676.80
  4. Step 4: Simplify right side
    630,620.80x = 517,307,464,227.84
  5. Step 5: Solve for x
    x = 517,307,464,227.84/630,620.80
  6. Step 6: Final answer
    x = 820,314.62

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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.