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Finding the Fourth Proportional to 328,117.52, 492,176.30 and 106,501.52

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Solution

The fourth proportional to 328,117.52, 492,176.30 and 106,501.52 is: 159,752.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,117.52 : 492,176.30 = 106,501.52 : x
  2. Step 2: Convert to fraction form
    328,117.52/492,176.30 = 106,501.52/x
  3. Step 3: Cross multiply
    328,117.52x = 492,176.30 × 106,501.52
  4. Step 4: Simplify right side
    328,117.52x = 52,417,524,057.98
  5. Step 5: Solve for x
    x = 52,417,524,057.98/328,117.52
  6. Step 6: Final answer
    x = 159,752.29

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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.