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Finding the Fourth Proportional to 723,903.95, 998,164.36 and 461,906.82

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Solution

The fourth proportional to 723,903.95, 998,164.36 and 461,906.82 is: 636,906.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,903.95 : 998,164.36 = 461,906.82 : x
  2. Step 2: Convert to fraction form
    723,903.95/998,164.36 = 461,906.82/x
  3. Step 3: Cross multiply
    723,903.95x = 998,164.36 × 461,906.82
  4. Step 4: Simplify right side
    723,903.95x = 461,058,925,272.00
  5. Step 5: Solve for x
    x = 461,058,925,272.00/723,903.95
  6. Step 6: Final answer
    x = 636,906.21

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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.