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Finding the Fourth Proportional to 1,176,993, 1,765,493.82 and 290,529

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Solution

The fourth proportional to 1,176,993, 1,765,493.82 and 290,529 is: 435,794.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,993 : 1,765,493.82 = 290,529 : x
  2. Step 2: Convert to fraction form
    1,176,993/1,765,493.82 = 290,529/x
  3. Step 3: Cross multiply
    1,176,993x = 1,765,493.82 × 290,529
  4. Step 4: Simplify right side
    1,176,993x = 512,927,154,030.78
  5. Step 5: Solve for x
    x = 512,927,154,030.78/1,176,993
  6. Step 6: Final answer
    x = 435,794.57

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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.