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Finding the Fourth Proportional to 360,559.70, 540,681.72 and 171,074.09

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Solution

The fourth proportional to 360,559.70, 540,681.72 and 171,074.09 is: 256,536.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,559.70 : 540,681.72 = 171,074.09 : x
  2. Step 2: Convert to fraction form
    360,559.70/540,681.72 = 171,074.09/x
  3. Step 3: Cross multiply
    360,559.70x = 540,681.72 × 171,074.09
  4. Step 4: Simplify right side
    360,559.70x = 92,496,633,228.63
  5. Step 5: Solve for x
    x = 92,496,633,228.63/360,559.70
  6. Step 6: Final answer
    x = 256,536.25

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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.