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Finding the Fourth Proportional to 524,521.45, 786,782.17 and 169,535.47

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Solution

The fourth proportional to 524,521.45, 786,782.17 and 169,535.47 is: 254,303.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,521.45 : 786,782.17 = 169,535.47 : x
  2. Step 2: Convert to fraction form
    524,521.45/786,782.17 = 169,535.47/x
  3. Step 3: Cross multiply
    524,521.45x = 786,782.17 × 169,535.47
  4. Step 4: Simplify right side
    524,521.45x = 133,387,480,620.82
  5. Step 5: Solve for x
    x = 133,387,480,620.82/524,521.45
  6. Step 6: Final answer
    x = 254,303.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.