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Finding the Fourth Proportional to 404,767.80, 607,151.70 and 155,455.80

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Solution

The fourth proportional to 404,767.80, 607,151.70 and 155,455.80 is: 233,183.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,767.80 : 607,151.70 = 155,455.80 : x
  2. Step 2: Convert to fraction form
    404,767.80/607,151.70 = 155,455.80/x
  3. Step 3: Cross multiply
    404,767.80x = 607,151.70 × 155,455.80
  4. Step 4: Simplify right side
    404,767.80x = 94,385,253,244.86
  5. Step 5: Solve for x
    x = 94,385,253,244.86/404,767.80
  6. Step 6: Final answer
    x = 233,183.70

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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.