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Finding the Fourth Proportional to 444,286.06, 612,477.08 and 316,740.22

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Solution

The fourth proportional to 444,286.06, 612,477.08 and 316,740.22 is: 436,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,286.06 : 612,477.08 = 316,740.22 : x
  2. Step 2: Convert to fraction form
    444,286.06/612,477.08 = 316,740.22/x
  3. Step 3: Cross multiply
    444,286.06x = 612,477.08 × 316,740.22
  4. Step 4: Simplify right side
    444,286.06x = 193,996,121,949.26
  5. Step 5: Solve for x
    x = 193,996,121,949.26/444,286.06
  6. Step 6: Final answer
    x = 436,646.88

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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.