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Finding the Fourth Proportional to 328,366.52, 492,577.73 and 103,666.85

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Solution

The fourth proportional to 328,366.52, 492,577.73 and 103,666.85 is: 155,509.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,366.52 : 492,577.73 = 103,666.85 : x
  2. Step 2: Convert to fraction form
    328,366.52/492,577.73 = 103,666.85/x
  3. Step 3: Cross multiply
    328,366.52x = 492,577.73 × 103,666.85
  4. Step 4: Simplify right side
    328,366.52x = 51,063,981,649.25
  5. Step 5: Solve for x
    x = 51,063,981,649.25/328,366.52
  6. Step 6: Final answer
    x = 155,509.10

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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.