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Finding the Fourth Proportional to 277,011.48, 382,252.88 and 156,182.48

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Solution

The fourth proportional to 277,011.48, 382,252.88 and 156,182.48 is: 215,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,011.48 : 382,252.88 = 156,182.48 : x
  2. Step 2: Convert to fraction form
    277,011.48/382,252.88 = 156,182.48/x
  3. Step 3: Cross multiply
    277,011.48x = 382,252.88 × 156,182.48
  4. Step 4: Simplify right side
    277,011.48x = 59,701,201,264.73
  5. Step 5: Solve for x
    x = 59,701,201,264.73/277,011.48
  6. Step 6: Final answer
    x = 215,518.87

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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.