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Finding the Fourth Proportional to 1,697,725.49, 2,342,905.49 and 933,799.10

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Solution

The fourth proportional to 1,697,725.49, 2,342,905.49 and 933,799.10 is: 1,288,667.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,697,725.49 : 2,342,905.49 = 933,799.10 : x
  2. Step 2: Convert to fraction form
    1,697,725.49/2,342,905.49 = 933,799.10/x
  3. Step 3: Cross multiply
    1,697,725.49x = 2,342,905.49 × 933,799.10
  4. Step 4: Simplify right side
    1,697,725.49x = 2,187,803,028,567.03
  5. Step 5: Solve for x
    x = 2,187,803,028,567.03/1,697,725.49
  6. Step 6: Final answer
    x = 1,288,667.13

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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.