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Finding the Fourth Proportional to 543,534.96, 750,147.42 and 328,676.58

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Solution

The fourth proportional to 543,534.96, 750,147.42 and 328,676.58 is: 453,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,534.96 : 750,147.42 = 328,676.58 : x
  2. Step 2: Convert to fraction form
    543,534.96/750,147.42 = 328,676.58/x
  3. Step 3: Cross multiply
    543,534.96x = 750,147.42 × 328,676.58
  4. Step 4: Simplify right side
    543,534.96x = 246,555,888,501.42
  5. Step 5: Solve for x
    x = 246,555,888,501.42/543,534.96
  6. Step 6: Final answer
    x = 453,615.51

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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.