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Finding the Fourth Proportional to 536,510.96, 740,449.50 and 321,769.16

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Solution

The fourth proportional to 536,510.96, 740,449.50 and 321,769.16 is: 444,080.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,510.96 : 740,449.50 = 321,769.16 : x
  2. Step 2: Convert to fraction form
    536,510.96/740,449.50 = 321,769.16/x
  3. Step 3: Cross multiply
    536,510.96x = 740,449.50 × 321,769.16
  4. Step 4: Simplify right side
    536,510.96x = 238,253,815,488.54
  5. Step 5: Solve for x
    x = 238,253,815,488.54/536,510.96
  6. Step 6: Final answer
    x = 444,080.05

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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.