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Finding the Fourth Proportional to 277,846.19, 383,286.80 and 175,699.52

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Solution

The fourth proportional to 277,846.19, 383,286.80 and 175,699.52 is: 242,376.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,846.19 : 383,286.80 = 175,699.52 : x
  2. Step 2: Convert to fraction form
    277,846.19/383,286.80 = 175,699.52/x
  3. Step 3: Cross multiply
    277,846.19x = 383,286.80 × 175,699.52
  4. Step 4: Simplify right side
    277,846.19x = 67,343,306,782.34
  5. Step 5: Solve for x
    x = 67,343,306,782.34/277,846.19
  6. Step 6: Final answer
    x = 242,376.21

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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.