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Finding the Fourth Proportional to 277,754.69, 383,325.08 and 156,918.16

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Solution

The fourth proportional to 277,754.69, 383,325.08 and 156,918.16 is: 216,560.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,754.69 : 383,325.08 = 156,918.16 : x
  2. Step 2: Convert to fraction form
    277,754.69/383,325.08 = 156,918.16/x
  3. Step 3: Cross multiply
    277,754.69x = 383,325.08 × 156,918.16
  4. Step 4: Simplify right side
    277,754.69x = 60,150,666,235.45
  5. Step 5: Solve for x
    x = 60,150,666,235.45/277,754.69
  6. Step 6: Final answer
    x = 216,560.40

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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.