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Finding the Fourth Proportional to 552,588.72, 762,573.60 and 326,248.80

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Solution

The fourth proportional to 552,588.72, 762,573.60 and 326,248.80 is: 450,224.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,588.72 : 762,573.60 = 326,248.80 : x
  2. Step 2: Convert to fraction form
    552,588.72/762,573.60 = 326,248.80/x
  3. Step 3: Cross multiply
    552,588.72x = 762,573.60 × 326,248.80
  4. Step 4: Simplify right side
    552,588.72x = 248,788,721,911.68
  5. Step 5: Solve for x
    x = 248,788,721,911.68/552,588.72
  6. Step 6: Final answer
    x = 450,224.03

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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.