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Finding the Fourth Proportional to 627,971.70, 866,607.12 and 341,498.01

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Solution

The fourth proportional to 627,971.70, 866,607.12 and 341,498.01 is: 471,270.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,971.70 : 866,607.12 = 341,498.01 : x
  2. Step 2: Convert to fraction form
    627,971.70/866,607.12 = 341,498.01/x
  3. Step 3: Cross multiply
    627,971.70x = 866,607.12 × 341,498.01
  4. Step 4: Simplify right side
    627,971.70x = 295,944,606,931.83
  5. Step 5: Solve for x
    x = 295,944,606,931.83/627,971.70
  6. Step 6: Final answer
    x = 471,270.61

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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.