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Finding the Fourth Proportional to 240,558.84, 359,954.28 and 193,031.64

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Solution

The fourth proportional to 240,558.84, 359,954.28 and 193,031.64 is: 288,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,558.84 : 359,954.28 = 193,031.64 : x
  2. Step 2: Convert to fraction form
    240,558.84/359,954.28 = 193,031.64/x
  3. Step 3: Cross multiply
    240,558.84x = 359,954.28 × 193,031.64
  4. Step 4: Simplify right side
    240,558.84x = 69,482,564,993.42
  5. Step 5: Solve for x
    x = 69,482,564,993.42/240,558.84
  6. Step 6: Final answer
    x = 288,838.13

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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.