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Finding the Fourth Proportional to 273,622.40, 377,570.16 and 158,878.62

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Solution

The fourth proportional to 273,622.40, 377,570.16 and 158,878.62 is: 219,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,622.40 : 377,570.16 = 158,878.62 : x
  2. Step 2: Convert to fraction form
    273,622.40/377,570.16 = 158,878.62/x
  3. Step 3: Cross multiply
    273,622.40x = 377,570.16 × 158,878.62
  4. Step 4: Simplify right side
    273,622.40x = 59,987,825,973.98
  5. Step 5: Solve for x
    x = 59,987,825,973.98/273,622.40
  6. Step 6: Final answer
    x = 219,235.80

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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.