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Finding the Fourth Proportional to 1,097,494.80, 1,649,741.40 and 1,034,509.20

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Solution

The fourth proportional to 1,097,494.80, 1,649,741.40 and 1,034,509.20 is: 1,555,062.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,494.80 : 1,649,741.40 = 1,034,509.20 : x
  2. Step 2: Convert to fraction form
    1,097,494.80/1,649,741.40 = 1,034,509.20/x
  3. Step 3: Cross multiply
    1,097,494.80x = 1,649,741.40 × 1,034,509.20
  4. Step 4: Simplify right side
    1,097,494.80x = 1,706,672,655,920.88
  5. Step 5: Solve for x
    x = 1,706,672,655,920.88/1,097,494.80
  6. Step 6: Final answer
    x = 1,555,062.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.