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Finding the Fourth Proportional to 277,389.91, 382,807.83 and 156,524.14

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Solution

The fourth proportional to 277,389.91, 382,807.83 and 156,524.14 is: 216,008.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,389.91 : 382,807.83 = 156,524.14 : x
  2. Step 2: Convert to fraction form
    277,389.91/382,807.83 = 156,524.14/x
  3. Step 3: Cross multiply
    277,389.91x = 382,807.83 × 156,524.14
  4. Step 4: Simplify right side
    277,389.91x = 59,918,666,376.02
  5. Step 5: Solve for x
    x = 59,918,666,376.02/277,389.91
  6. Step 6: Final answer
    x = 216,008.82

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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.