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Finding the Fourth Proportional to 349,257.35, 481,616.25 and 291,875.27

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Solution

The fourth proportional to 349,257.35, 481,616.25 and 291,875.27 is: 402,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,257.35 : 481,616.25 = 291,875.27 : x
  2. Step 2: Convert to fraction form
    349,257.35/481,616.25 = 291,875.27/x
  3. Step 3: Cross multiply
    349,257.35x = 481,616.25 × 291,875.27
  4. Step 4: Simplify right side
    349,257.35x = 140,571,870,597.06
  5. Step 5: Solve for x
    x = 140,571,870,597.06/349,257.35
  6. Step 6: Final answer
    x = 402,487.94

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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.