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Finding the Fourth Proportional to 662,571, 914,347.98 and 360,765

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Solution

The fourth proportional to 662,571, 914,347.98 and 360,765 is: 497,855.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,571 : 914,347.98 = 360,765 : x
  2. Step 2: Convert to fraction form
    662,571/914,347.98 = 360,765/x
  3. Step 3: Cross multiply
    662,571x = 914,347.98 × 360,765
  4. Step 4: Simplify right side
    662,571x = 329,864,749,004.70
  5. Step 5: Solve for x
    x = 329,864,749,004.70/662,571
  6. Step 6: Final answer
    x = 497,855.70

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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.