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Finding the Fourth Proportional to 466,218.40, 699,327.60 and 456,887.20

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Solution

The fourth proportional to 466,218.40, 699,327.60 and 456,887.20 is: 685,330.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,218.40 : 699,327.60 = 456,887.20 : x
  2. Step 2: Convert to fraction form
    466,218.40/699,327.60 = 456,887.20/x
  3. Step 3: Cross multiply
    466,218.40x = 699,327.60 × 456,887.20
  4. Step 4: Simplify right side
    466,218.40x = 319,513,829,046.72
  5. Step 5: Solve for x
    x = 319,513,829,046.72/466,218.40
  6. Step 6: Final answer
    x = 685,330.80

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Similar ratio
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1.5x scale

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.