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Finding the Fourth Proportional to 277,589.84, 383,070.62 and 156,736.22

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Solution

The fourth proportional to 277,589.84, 383,070.62 and 156,736.22 is: 216,294.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,589.84 : 383,070.62 = 156,736.22 : x
  2. Step 2: Convert to fraction form
    277,589.84/383,070.62 = 156,736.22/x
  3. Step 3: Cross multiply
    277,589.84x = 383,070.62 × 156,736.22
  4. Step 4: Simplify right side
    277,589.84x = 60,041,038,566.70
  5. Step 5: Solve for x
    x = 60,041,038,566.70/277,589.84
  6. Step 6: Final answer
    x = 216,294.08

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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.