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Finding the Fourth Proportional to 626,805.10, 939,854.62 and 200,240.74

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Solution

The fourth proportional to 626,805.10, 939,854.62 and 200,240.74 is: 300,248.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,805.10 : 939,854.62 = 200,240.74 : x
  2. Step 2: Convert to fraction form
    626,805.10/939,854.62 = 200,240.74/x
  3. Step 3: Cross multiply
    626,805.10x = 939,854.62 × 200,240.74
  4. Step 4: Simplify right side
    626,805.10x = 188,197,184,601.22
  5. Step 5: Solve for x
    x = 188,197,184,601.22/626,805.10
  6. Step 6: Final answer
    x = 300,248.33

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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.