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Finding the Fourth Proportional to 277,737.77, 383,309.29 and 156,886.84

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Solution

The fourth proportional to 277,737.77, 383,309.29 and 156,886.84 is: 216,521.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,737.77 : 383,309.29 = 156,886.84 : x
  2. Step 2: Convert to fraction form
    277,737.77/383,309.29 = 156,886.84/x
  3. Step 3: Cross multiply
    277,737.77x = 383,309.29 × 156,886.84
  4. Step 4: Simplify right side
    277,737.77x = 60,136,183,642.96
  5. Step 5: Solve for x
    x = 60,136,183,642.96/277,737.77
  6. Step 6: Final answer
    x = 216,521.45

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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.