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Finding the Fourth Proportional to 423,224.59, 634,834.70 and 149,873.62

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Solution

The fourth proportional to 423,224.59, 634,834.70 and 149,873.62 is: 224,809.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,224.59 : 634,834.70 = 149,873.62 : x
  2. Step 2: Convert to fraction form
    423,224.59/634,834.70 = 149,873.62/x
  3. Step 3: Cross multiply
    423,224.59x = 634,834.70 × 149,873.62
  4. Step 4: Simplify right side
    423,224.59x = 95,144,970,667.07
  5. Step 5: Solve for x
    x = 95,144,970,667.07/423,224.59
  6. Step 6: Final answer
    x = 224,809.65

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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.