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Finding the Fourth Proportional to 444,301.20, 666,451.80 and 395,312.40

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Solution

The fourth proportional to 444,301.20, 666,451.80 and 395,312.40 is: 592,968.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,301.20 : 666,451.80 = 395,312.40 : x
  2. Step 2: Convert to fraction form
    444,301.20/666,451.80 = 395,312.40/x
  3. Step 3: Cross multiply
    444,301.20x = 666,451.80 × 395,312.40
  4. Step 4: Simplify right side
    444,301.20x = 263,456,660,542.32
  5. Step 5: Solve for x
    x = 263,456,660,542.32/444,301.20
  6. Step 6: Final answer
    x = 592,968.60

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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.