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Finding the Fourth Proportional to 627,550.56, 866,026.52 and 341,070.72

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Solution

The fourth proportional to 627,550.56, 866,026.52 and 341,070.72 is: 470,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,550.56 : 866,026.52 = 341,070.72 : x
  2. Step 2: Convert to fraction form
    627,550.56/866,026.52 = 341,070.72/x
  3. Step 3: Cross multiply
    627,550.56x = 866,026.52 × 341,070.72
  4. Step 4: Simplify right side
    627,550.56x = 295,376,288,715.49
  5. Step 5: Solve for x
    x = 295,376,288,715.49/627,550.56
  6. Step 6: Final answer
    x = 470,681.26

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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.