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Finding the Fourth Proportional to 465,477.60, 698,216.40 and 433,984.80

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Solution

The fourth proportional to 465,477.60, 698,216.40 and 433,984.80 is: 650,977.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,477.60 : 698,216.40 = 433,984.80 : x
  2. Step 2: Convert to fraction form
    465,477.60/698,216.40 = 433,984.80/x
  3. Step 3: Cross multiply
    465,477.60x = 698,216.40 × 433,984.80
  4. Step 4: Simplify right side
    465,477.60x = 303,015,304,710.72
  5. Step 5: Solve for x
    x = 303,015,304,710.72/465,477.60
  6. Step 6: Final answer
    x = 650,977.20

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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.