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Finding the Fourth Proportional to 418,171.44, 576,683.16 and 322,526.64

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Solution

The fourth proportional to 418,171.44, 576,683.16 and 322,526.64 is: 444,783.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,171.44 : 576,683.16 = 322,526.64 : x
  2. Step 2: Convert to fraction form
    418,171.44/576,683.16 = 322,526.64/x
  3. Step 3: Cross multiply
    418,171.44x = 576,683.16 × 322,526.64
  4. Step 4: Simplify right side
    418,171.44x = 185,995,681,939.38
  5. Step 5: Solve for x
    x = 185,995,681,939.38/418,171.44
  6. Step 6: Final answer
    x = 444,783.32

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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.