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Finding the Fourth Proportional to 444,985.20, 667,477.80 and 164,444.40

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Solution

The fourth proportional to 444,985.20, 667,477.80 and 164,444.40 is: 246,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,985.20 : 667,477.80 = 164,444.40 : x
  2. Step 2: Convert to fraction form
    444,985.20/667,477.80 = 164,444.40/x
  3. Step 3: Cross multiply
    444,985.20x = 667,477.80 × 164,444.40
  4. Step 4: Simplify right side
    444,985.20x = 109,762,986,334.32
  5. Step 5: Solve for x
    x = 109,762,986,334.32/444,985.20
  6. Step 6: Final answer
    x = 246,666.60

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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.