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Finding the Fourth Proportional to 598,833.30, 898,249.98 and 478,326.03

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Solution

The fourth proportional to 598,833.30, 898,249.98 and 478,326.03 is: 717,489.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,833.30 : 898,249.98 = 478,326.03 : x
  2. Step 2: Convert to fraction form
    598,833.30/898,249.98 = 478,326.03/x
  3. Step 3: Cross multiply
    598,833.30x = 898,249.98 × 478,326.03
  4. Step 4: Simplify right side
    598,833.30x = 429,656,346,880.98
  5. Step 5: Solve for x
    x = 429,656,346,880.98/598,833.30
  6. Step 6: Final answer
    x = 717,489.07

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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.