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Finding the Fourth Proportional to 277,838.17, 383,380.00 and 175,683.40

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Solution

The fourth proportional to 277,838.17, 383,380.00 and 175,683.40 is: 242,419.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,838.17 : 383,380.00 = 175,683.40 : x
  2. Step 2: Convert to fraction form
    277,838.17/383,380.00 = 175,683.40/x
  3. Step 3: Cross multiply
    277,838.17x = 383,380.00 × 175,683.40
  4. Step 4: Simplify right side
    277,838.17x = 67,353,501,482.56
  5. Step 5: Solve for x
    x = 67,353,501,482.56/277,838.17
  6. Step 6: Final answer
    x = 242,419.90

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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.