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Finding the Fourth Proportional to 475,055.69, 655,589.59 and 268,307.49

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Solution

The fourth proportional to 475,055.69, 655,589.59 and 268,307.49 is: 370,271.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,055.69 : 655,589.59 = 268,307.49 : x
  2. Step 2: Convert to fraction form
    475,055.69/655,589.59 = 268,307.49/x
  3. Step 3: Cross multiply
    475,055.69x = 655,589.59 × 268,307.49
  4. Step 4: Simplify right side
    475,055.69x = 175,899,596,692.26
  5. Step 5: Solve for x
    x = 175,899,596,692.26/475,055.69
  6. Step 6: Final answer
    x = 370,271.53

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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.