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Finding the Fourth Proportional to 475,054.94, 655,588.55 and 268,306.74

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Solution

The fourth proportional to 475,054.94, 655,588.55 and 268,306.74 is: 370,270.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,054.94 : 655,588.55 = 268,306.74 : x
  2. Step 2: Convert to fraction form
    475,054.94/655,588.55 = 268,306.74/x
  3. Step 3: Cross multiply
    475,054.94x = 655,588.55 × 268,306.74
  4. Step 4: Simplify right side
    475,054.94x = 175,898,823,837.99
  5. Step 5: Solve for x
    x = 175,898,823,837.99/475,054.94
  6. Step 6: Final answer
    x = 370,270.49

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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.