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Finding the Fourth Proportional to 253,344.51, 349,549.83 and 151,328.25

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Solution

The fourth proportional to 253,344.51, 349,549.83 and 151,328.25 is: 208,793.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,344.51 : 349,549.83 = 151,328.25 : x
  2. Step 2: Convert to fraction form
    253,344.51/349,549.83 = 151,328.25/x
  3. Step 3: Cross multiply
    253,344.51x = 349,549.83 × 151,328.25
  4. Step 4: Simplify right side
    253,344.51x = 52,896,764,061.70
  5. Step 5: Solve for x
    x = 52,896,764,061.70/253,344.51
  6. Step 6: Final answer
    x = 208,793.80

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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.