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Finding the Fourth Proportional to 444,274.67, 612,461.35 and 316,728.83

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Solution

The fourth proportional to 444,274.67, 612,461.35 and 316,728.83 is: 436,631.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,274.67 : 612,461.35 = 316,728.83 : x
  2. Step 2: Convert to fraction form
    444,274.67/612,461.35 = 316,728.83/x
  3. Step 3: Cross multiply
    444,274.67x = 612,461.35 × 316,728.83
  4. Step 4: Simplify right side
    444,274.67x = 193,984,168,732.79
  5. Step 5: Solve for x
    x = 193,984,168,732.79/444,274.67
  6. Step 6: Final answer
    x = 436,631.17

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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.