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Finding the Fourth Proportional to 313,774.16, 433,011.18 and 170,534.54

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Solution

The fourth proportional to 313,774.16, 433,011.18 and 170,534.54 is: 235,339.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,774.16 : 433,011.18 = 170,534.54 : x
  2. Step 2: Convert to fraction form
    313,774.16/433,011.18 = 170,534.54/x
  3. Step 3: Cross multiply
    313,774.16x = 433,011.18 × 170,534.54
  4. Step 4: Simplify right side
    313,774.16x = 73,843,362,396.16
  5. Step 5: Solve for x
    x = 73,843,362,396.16/313,774.16
  6. Step 6: Final answer
    x = 235,339.21

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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.