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Finding the Fourth Proportional to 277,244.56, 382,588.88 and 156,384.08

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Solution

The fourth proportional to 277,244.56, 382,588.88 and 156,384.08 is: 215,805.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,244.56 : 382,588.88 = 156,384.08 : x
  2. Step 2: Convert to fraction form
    277,244.56/382,588.88 = 156,384.08/x
  3. Step 3: Cross multiply
    277,244.56x = 382,588.88 × 156,384.08
  4. Step 4: Simplify right side
    277,244.56x = 59,830,810,017.03
  5. Step 5: Solve for x
    x = 59,830,810,017.03/277,244.56
  6. Step 6: Final answer
    x = 215,805.17

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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.