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Finding the Fourth Proportional to 466,756.80, 699,328.80 and 216,926.40

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Solution

The fourth proportional to 466,756.80, 699,328.80 and 216,926.40 is: 325,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,756.80 : 699,328.80 = 216,926.40 : x
  2. Step 2: Convert to fraction form
    466,756.80/699,328.80 = 216,926.40/x
  3. Step 3: Cross multiply
    466,756.80x = 699,328.80 × 216,926.40
  4. Step 4: Simplify right side
    466,756.80x = 151,702,879,000.32
  5. Step 5: Solve for x
    x = 151,702,879,000.32/466,756.80
  6. Step 6: Final answer
    x = 325,014.82

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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.