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Finding the Fourth Proportional to 496,572.71, 685,214.64 and 292,610.39

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Solution

The fourth proportional to 496,572.71, 685,214.64 and 292,610.39 is: 403,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,572.71 : 685,214.64 = 292,610.39 : x
  2. Step 2: Convert to fraction form
    496,572.71/685,214.64 = 292,610.39/x
  3. Step 3: Cross multiply
    496,572.71x = 685,214.64 × 292,610.39
  4. Step 4: Simplify right side
    496,572.71x = 200,500,919,618.04
  5. Step 5: Solve for x
    x = 200,500,919,618.04/496,572.71
  6. Step 6: Final answer
    x = 403,769.51

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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.