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Finding the Fourth Proportional to 360,807.66, 497,907.12 and 199,662.60

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Solution

The fourth proportional to 360,807.66, 497,907.12 and 199,662.60 is: 275,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,807.66 : 497,907.12 = 199,662.60 : x
  2. Step 2: Convert to fraction form
    360,807.66/497,907.12 = 199,662.60/x
  3. Step 3: Cross multiply
    360,807.66x = 497,907.12 × 199,662.60
  4. Step 4: Simplify right side
    360,807.66x = 99,413,430,137.71
  5. Step 5: Solve for x
    x = 99,413,430,137.71/360,807.66
  6. Step 6: Final answer
    x = 275,530.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.