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Finding the Fourth Proportional to 318,017.16, 438,868.80 and 182,050.56

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Solution

The fourth proportional to 318,017.16, 438,868.80 and 182,050.56 is: 251,232.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,017.16 : 438,868.80 = 182,050.56 : x
  2. Step 2: Convert to fraction form
    318,017.16/438,868.80 = 182,050.56/x
  3. Step 3: Cross multiply
    318,017.16x = 438,868.80 × 182,050.56
  4. Step 4: Simplify right side
    318,017.16x = 79,896,310,806.53
  5. Step 5: Solve for x
    x = 79,896,310,806.53/318,017.16
  6. Step 6: Final answer
    x = 251,232.70

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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.