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Finding the Fourth Proportional to 1,676,750, 2,313,911.16 and 912,808.88

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Solution

The fourth proportional to 1,676,750, 2,313,911.16 and 912,808.88 is: 1,259,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,750 : 2,313,911.16 = 912,808.88 : x
  2. Step 2: Convert to fraction form
    1,676,750/2,313,911.16 = 912,808.88/x
  3. Step 3: Cross multiply
    1,676,750x = 2,313,911.16 × 912,808.88
  4. Step 4: Simplify right side
    1,676,750x = 2,112,158,654,379.10
  5. Step 5: Solve for x
    x = 2,112,158,654,379.10/1,676,750
  6. Step 6: Final answer
    x = 1,259,674.16

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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.