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Finding the Fourth Proportional to 235,095.60, 352,643.40 and 199,666.20

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Solution

The fourth proportional to 235,095.60, 352,643.40 and 199,666.20 is: 299,499.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,095.60 : 352,643.40 = 199,666.20 : x
  2. Step 2: Convert to fraction form
    235,095.60/352,643.40 = 199,666.20/x
  3. Step 3: Cross multiply
    235,095.60x = 352,643.40 × 199,666.20
  4. Step 4: Simplify right side
    235,095.60x = 70,410,967,633.08
  5. Step 5: Solve for x
    x = 70,410,967,633.08/235,095.60
  6. Step 6: Final answer
    x = 299,499.30

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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.