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Finding the Fourth Proportional to 607,771.80, 838,554.18 and 349,635.24

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Solution

The fourth proportional to 607,771.80, 838,554.18 and 349,635.24 is: 482,398.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,771.80 : 838,554.18 = 349,635.24 : x
  2. Step 2: Convert to fraction form
    607,771.80/838,554.18 = 349,635.24/x
  3. Step 3: Cross multiply
    607,771.80x = 838,554.18 × 349,635.24
  4. Step 4: Simplify right side
    607,771.80x = 293,188,091,977.30
  5. Step 5: Solve for x
    x = 293,188,091,977.30/607,771.80
  6. Step 6: Final answer
    x = 482,398.31

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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.