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Finding the Fourth Proportional to 235,460.70, 352,672.65 and 209,195.10

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Solution

The fourth proportional to 235,460.70, 352,672.65 and 209,195.10 is: 313,332.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,460.70 : 352,672.65 = 209,195.10 : x
  2. Step 2: Convert to fraction form
    235,460.70/352,672.65 = 209,195.10/x
  3. Step 3: Cross multiply
    235,460.70x = 352,672.65 × 209,195.10
  4. Step 4: Simplify right side
    235,460.70x = 73,777,390,284.02
  5. Step 5: Solve for x
    x = 73,777,390,284.02/235,460.70
  6. Step 6: Final answer
    x = 313,332.08

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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.