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Finding the Fourth Proportional to 466,370.40, 699,555.60 and 429,045.60

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Solution

The fourth proportional to 466,370.40, 699,555.60 and 429,045.60 is: 643,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,370.40 : 699,555.60 = 429,045.60 : x
  2. Step 2: Convert to fraction form
    466,370.40/699,555.60 = 429,045.60/x
  3. Step 3: Cross multiply
    466,370.40x = 699,555.60 × 429,045.60
  4. Step 4: Simplify right side
    466,370.40x = 300,141,252,135.36
  5. Step 5: Solve for x
    x = 300,141,252,135.36/466,370.40
  6. Step 6: Final answer
    x = 643,568.40

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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.