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Finding the Fourth Proportional to 543,296.01, 749,712.06 and 328,554.48

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Solution

The fourth proportional to 543,296.01, 749,712.06 and 328,554.48 is: 453,383.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,296.01 : 749,712.06 = 328,554.48 : x
  2. Step 2: Convert to fraction form
    543,296.01/749,712.06 = 328,554.48/x
  3. Step 3: Cross multiply
    543,296.01x = 749,712.06 × 328,554.48
  4. Step 4: Simplify right side
    543,296.01x = 246,321,256,023.03
  5. Step 5: Solve for x
    x = 246,321,256,023.03/543,296.01
  6. Step 6: Final answer
    x = 453,383.15

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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.