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Finding the Fourth Proportional to 631,073.70, 944,393.99 and 543,386.34

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Solution

The fourth proportional to 631,073.70, 944,393.99 and 543,386.34 is: 813,170.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,073.70 : 944,393.99 = 543,386.34 : x
  2. Step 2: Convert to fraction form
    631,073.70/944,393.99 = 543,386.34/x
  3. Step 3: Cross multiply
    631,073.70x = 944,393.99 × 543,386.34
  4. Step 4: Simplify right side
    631,073.70x = 513,170,791,027.17
  5. Step 5: Solve for x
    x = 513,170,791,027.17/631,073.70
  6. Step 6: Final answer
    x = 813,170.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.