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Finding the Fourth Proportional to 289,877.69, 400,035.33 and 175,140.38

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Solution

The fourth proportional to 289,877.69, 400,035.33 and 175,140.38 is: 241,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,877.69 : 400,035.33 = 175,140.38 : x
  2. Step 2: Convert to fraction form
    289,877.69/400,035.33 = 175,140.38/x
  3. Step 3: Cross multiply
    289,877.69x = 400,035.33 × 175,140.38
  4. Step 4: Simplify right side
    289,877.69x = 70,062,337,709.45
  5. Step 5: Solve for x
    x = 70,062,337,709.45/289,877.69
  6. Step 6: Final answer
    x = 241,696.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.