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Finding the Fourth Proportional to 260,229.84, 359,288.64 and 168,521.64

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Solution

The fourth proportional to 260,229.84, 359,288.64 and 168,521.64 is: 232,670.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,229.84 : 359,288.64 = 168,521.64 : x
  2. Step 2: Convert to fraction form
    260,229.84/359,288.64 = 168,521.64/x
  3. Step 3: Cross multiply
    260,229.84x = 359,288.64 × 168,521.64
  4. Step 4: Simplify right side
    260,229.84x = 60,547,910,846.17
  5. Step 5: Solve for x
    x = 60,547,910,846.17/260,229.84
  6. Step 6: Final answer
    x = 232,670.90

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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.