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Finding the Fourth Proportional to 798,346.08, 1,101,690 and 475,890

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Solution

The fourth proportional to 798,346.08, 1,101,690 and 475,890 is: 656,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,346.08 : 1,101,690 = 475,890 : x
  2. Step 2: Convert to fraction form
    798,346.08/1,101,690 = 475,890/x
  3. Step 3: Cross multiply
    798,346.08x = 1,101,690 × 475,890
  4. Step 4: Simplify right side
    798,346.08x = 524,283,254,100
  5. Step 5: Solve for x
    x = 524,283,254,100/798,346.08
  6. Step 6: Final answer
    x = 656,711.75

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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.