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Finding the Fourth Proportional to 313,799.34, 433,043.65 and 170,559.01

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Solution

The fourth proportional to 313,799.34, 433,043.65 and 170,559.01 is: 235,371.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,799.34 : 433,043.65 = 170,559.01 : x
  2. Step 2: Convert to fraction form
    313,799.34/433,043.65 = 170,559.01/x
  3. Step 3: Cross multiply
    313,799.34x = 433,043.65 × 170,559.01
  4. Step 4: Simplify right side
    313,799.34x = 73,859,496,230.79
  5. Step 5: Solve for x
    x = 73,859,496,230.79/313,799.34
  6. Step 6: Final answer
    x = 235,371.74

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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.