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Finding the Fourth Proportional to 299,263.61, 448,895.93 and 239,671.11

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Solution

The fourth proportional to 299,263.61, 448,895.93 and 239,671.11 is: 359,507.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,263.61 : 448,895.93 = 239,671.11 : x
  2. Step 2: Convert to fraction form
    299,263.61/448,895.93 = 239,671.11/x
  3. Step 3: Cross multiply
    299,263.61x = 448,895.93 × 239,671.11
  4. Step 4: Simplify right side
    299,263.61x = 107,587,385,609.85
  5. Step 5: Solve for x
    x = 107,587,385,609.85/299,263.61
  6. Step 6: Final answer
    x = 359,507.07

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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.