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Finding the Fourth Proportional to 466,803.60, 700,205.40 and 459,805.20

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Solution

The fourth proportional to 466,803.60, 700,205.40 and 459,805.20 is: 689,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,803.60 : 700,205.40 = 459,805.20 : x
  2. Step 2: Convert to fraction form
    466,803.60/700,205.40 = 459,805.20/x
  3. Step 3: Cross multiply
    466,803.60x = 700,205.40 × 459,805.20
  4. Step 4: Simplify right side
    466,803.60x = 321,958,083,988.08
  5. Step 5: Solve for x
    x = 321,958,083,988.08/466,803.60
  6. Step 6: Final answer
    x = 689,707.80

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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.