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Finding the Fourth Proportional to 277,442.69, 382,872.22 and 156,589.07

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Solution

The fourth proportional to 277,442.69, 382,872.22 and 156,589.07 is: 216,093.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,442.69 : 382,872.22 = 156,589.07 : x
  2. Step 2: Convert to fraction form
    277,442.69/382,872.22 = 156,589.07/x
  3. Step 3: Cross multiply
    277,442.69x = 382,872.22 × 156,589.07
  4. Step 4: Simplify right side
    277,442.69x = 59,953,602,552.80
  5. Step 5: Solve for x
    x = 59,953,602,552.80/277,442.69
  6. Step 6: Final answer
    x = 216,093.65

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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.