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Finding the Fourth Proportional to 898,751.80, 1,346,378.10 and 498,676.60

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Solution

The fourth proportional to 898,751.80, 1,346,378.10 and 498,676.60 is: 747,044.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,751.80 : 1,346,378.10 = 498,676.60 : x
  2. Step 2: Convert to fraction form
    898,751.80/1,346,378.10 = 498,676.60/x
  3. Step 3: Cross multiply
    898,751.80x = 1,346,378.10 × 498,676.60
  4. Step 4: Simplify right side
    898,751.80x = 671,407,253,222.46
  5. Step 5: Solve for x
    x = 671,407,253,222.46/898,751.80
  6. Step 6: Final answer
    x = 747,044.13

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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.