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Finding the Fourth Proportional to 376,497.08, 519,602.06 and 215,320.66

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Solution

The fourth proportional to 376,497.08, 519,602.06 and 215,320.66 is: 297,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,497.08 : 519,602.06 = 215,320.66 : x
  2. Step 2: Convert to fraction form
    376,497.08/519,602.06 = 215,320.66/x
  3. Step 3: Cross multiply
    376,497.08x = 519,602.06 × 215,320.66
  4. Step 4: Simplify right side
    376,497.08x = 111,881,058,496.56
  5. Step 5: Solve for x
    x = 111,881,058,496.56/376,497.08
  6. Step 6: Final answer
    x = 297,163.15

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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.