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Finding the Fourth Proportional to 607,499.40, 911,249.10 and 181,034.40

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Solution

The fourth proportional to 607,499.40, 911,249.10 and 181,034.40 is: 271,551.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,499.40 : 911,249.10 = 181,034.40 : x
  2. Step 2: Convert to fraction form
    607,499.40/911,249.10 = 181,034.40/x
  3. Step 3: Cross multiply
    607,499.40x = 911,249.10 × 181,034.40
  4. Step 4: Simplify right side
    607,499.40x = 164,967,434,069.04
  5. Step 5: Solve for x
    x = 164,967,434,069.04/607,499.40
  6. Step 6: Final answer
    x = 271,551.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.