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Finding the Fourth Proportional to 277,980.40, 383,602.68 and 150,653.26

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Solution

The fourth proportional to 277,980.40, 383,602.68 and 150,653.26 is: 207,895.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,980.40 : 383,602.68 = 150,653.26 : x
  2. Step 2: Convert to fraction form
    277,980.40/383,602.68 = 150,653.26/x
  3. Step 3: Cross multiply
    277,980.40x = 383,602.68 × 150,653.26
  4. Step 4: Simplify right side
    277,980.40x = 57,790,994,286.74
  5. Step 5: Solve for x
    x = 57,790,994,286.74/277,980.40
  6. Step 6: Final answer
    x = 207,895.93

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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.