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Finding the Fourth Proportional to 466,630.20, 699,369.30 and 316,870.20

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Solution

The fourth proportional to 466,630.20, 699,369.30 and 316,870.20 is: 474,914.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,630.20 : 699,369.30 = 316,870.20 : x
  2. Step 2: Convert to fraction form
    466,630.20/699,369.30 = 316,870.20/x
  3. Step 3: Cross multiply
    466,630.20x = 699,369.30 × 316,870.20
  4. Step 4: Simplify right side
    466,630.20x = 221,609,289,964.86
  5. Step 5: Solve for x
    x = 221,609,289,964.86/466,630.20
  6. Step 6: Final answer
    x = 474,914.16

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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.