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Finding the Fourth Proportional to 260,832.42, 359,950.23 and 153,406.98

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Solution

The fourth proportional to 260,832.42, 359,950.23 and 153,406.98 is: 211,702.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,832.42 : 359,950.23 = 153,406.98 : x
  2. Step 2: Convert to fraction form
    260,832.42/359,950.23 = 153,406.98/x
  3. Step 3: Cross multiply
    260,832.42x = 359,950.23 × 153,406.98
  4. Step 4: Simplify right side
    260,832.42x = 55,218,877,734.61
  5. Step 5: Solve for x
    x = 55,218,877,734.61/260,832.42
  6. Step 6: Final answer
    x = 211,702.51

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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.