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Finding the Fourth Proportional to 662,167.44, 913,803.12 and 360,361.44

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Solution

The fourth proportional to 662,167.44, 913,803.12 and 360,361.44 is: 497,305.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,167.44 : 913,803.12 = 360,361.44 : x
  2. Step 2: Convert to fraction form
    662,167.44/913,803.12 = 360,361.44/x
  3. Step 3: Cross multiply
    662,167.44x = 913,803.12 × 360,361.44
  4. Step 4: Simplify right side
    662,167.44x = 329,299,408,199.69
  5. Step 5: Solve for x
    x = 329,299,408,199.69/662,167.44
  6. Step 6: Final answer
    x = 497,305.35

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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.