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Finding the Fourth Proportional to 444,317.40, 666,476.10 and 163,798.20

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Solution

The fourth proportional to 444,317.40, 666,476.10 and 163,798.20 is: 245,697.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,317.40 : 666,476.10 = 163,798.20 : x
  2. Step 2: Convert to fraction form
    444,317.40/666,476.10 = 163,798.20/x
  3. Step 3: Cross multiply
    444,317.40x = 666,476.10 × 163,798.20
  4. Step 4: Simplify right side
    444,317.40x = 109,167,585,523.02
  5. Step 5: Solve for x
    x = 109,167,585,523.02/444,317.40
  6. Step 6: Final answer
    x = 245,697.30

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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.