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Finding the Fourth Proportional to 261,509.61, 360,816.73 and 159,528.44

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Solution

The fourth proportional to 261,509.61, 360,816.73 and 159,528.44 is: 220,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,509.61 : 360,816.73 = 159,528.44 : x
  2. Step 2: Convert to fraction form
    261,509.61/360,816.73 = 159,528.44/x
  3. Step 3: Cross multiply
    261,509.61x = 360,816.73 × 159,528.44
  4. Step 4: Simplify right side
    261,509.61x = 57,560,528,536.43
  5. Step 5: Solve for x
    x = 57,560,528,536.43/261,509.61
  6. Step 6: Final answer
    x = 220,108.65

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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.