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Finding the Fourth Proportional to 433,566.40, 650,349.60 and 415,851.70

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Solution

The fourth proportional to 433,566.40, 650,349.60 and 415,851.70 is: 623,777.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,566.40 : 650,349.60 = 415,851.70 : x
  2. Step 2: Convert to fraction form
    433,566.40/650,349.60 = 415,851.70/x
  3. Step 3: Cross multiply
    433,566.40x = 650,349.60 × 415,851.70
  4. Step 4: Simplify right side
    433,566.40x = 270,448,986,754.32
  5. Step 5: Solve for x
    x = 270,448,986,754.32/433,566.40
  6. Step 6: Final answer
    x = 623,777.55

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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.