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Finding the Fourth Proportional to 277,591.34, 383,072.69 and 156,737.72

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Solution

The fourth proportional to 277,591.34, 383,072.69 and 156,737.72 is: 216,296.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,591.34 : 383,072.69 = 156,737.72 : x
  2. Step 2: Convert to fraction form
    277,591.34/383,072.69 = 156,737.72/x
  3. Step 3: Cross multiply
    277,591.34x = 383,072.69 × 156,737.72
  4. Step 4: Simplify right side
    277,591.34x = 60,041,937,325.81
  5. Step 5: Solve for x
    x = 60,041,937,325.81/277,591.34
  6. Step 6: Final answer
    x = 216,296.15

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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.