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Finding the Fourth Proportional to 260,524.55, 359,477.19 and 153,116.12

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Solution

The fourth proportional to 260,524.55, 359,477.19 and 153,116.12 is: 211,272.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,524.55 : 359,477.19 = 153,116.12 : x
  2. Step 2: Convert to fraction form
    260,524.55/359,477.19 = 153,116.12/x
  3. Step 3: Cross multiply
    260,524.55x = 359,477.19 × 153,116.12
  4. Step 4: Simplify right side
    260,524.55x = 55,041,753,460.00
  5. Step 5: Solve for x
    x = 55,041,753,460.00/260,524.55
  6. Step 6: Final answer
    x = 211,272.81

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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.