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Finding the Fourth Proportional to 466,318.40, 699,477.60 and 429,576.80

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Solution

The fourth proportional to 466,318.40, 699,477.60 and 429,576.80 is: 644,365.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,318.40 : 699,477.60 = 429,576.80 : x
  2. Step 2: Convert to fraction form
    466,318.40/699,477.60 = 429,576.80/x
  3. Step 3: Cross multiply
    466,318.40x = 699,477.60 × 429,576.80
  4. Step 4: Simplify right side
    466,318.40x = 300,479,349,079.68
  5. Step 5: Solve for x
    x = 300,479,349,079.68/466,318.40
  6. Step 6: Final answer
    x = 644,365.20

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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.