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Finding the Fourth Proportional to 472,940.95, 652,672.38 and 258,094.89

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Solution

The fourth proportional to 472,940.95, 652,672.38 and 258,094.89 is: 356,178.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,940.95 : 652,672.38 = 258,094.89 : x
  2. Step 2: Convert to fraction form
    472,940.95/652,672.38 = 258,094.89/x
  3. Step 3: Cross multiply
    472,940.95x = 652,672.38 × 258,094.89
  4. Step 4: Simplify right side
    472,940.95x = 168,451,402,858.78
  5. Step 5: Solve for x
    x = 168,451,402,858.78/472,940.95
  6. Step 6: Final answer
    x = 356,178.51

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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.