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Finding the Fourth Proportional to 433,569.20, 605,815.90 and 433,569.20

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Solution

The fourth proportional to 433,569.20, 605,815.90 and 433,569.20 is: 605,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,569.20 : 605,815.90 = 433,569.20 : x
  2. Step 2: Convert to fraction form
    433,569.20/605,815.90 = 433,569.20/x
  3. Step 3: Cross multiply
    433,569.20x = 605,815.90 × 433,569.20
  4. Step 4: Simplify right side
    433,569.20x = 262,663,115,110.28
  5. Step 5: Solve for x
    x = 262,663,115,110.28/433,569.20
  6. Step 6: Final answer
    x = 605,815.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.