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Finding the Fourth Proportional to 627,746.48, 866,279.94 and 341,273.72

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Solution

The fourth proportional to 627,746.48, 866,279.94 and 341,273.72 is: 470,952.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,746.48 : 866,279.94 = 341,273.72 : x
  2. Step 2: Convert to fraction form
    627,746.48/866,279.94 = 341,273.72/x
  3. Step 3: Cross multiply
    627,746.48x = 866,279.94 × 341,273.72
  4. Step 4: Simplify right side
    627,746.48x = 295,638,577,685.18
  5. Step 5: Solve for x
    x = 295,638,577,685.18/627,746.48
  6. Step 6: Final answer
    x = 470,952.19

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1.5x scale

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.