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Finding the Fourth Proportional to 291,578.92, 437,506.62 and 173,483.56

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Solution

The fourth proportional to 291,578.92, 437,506.62 and 173,483.56 is: 260,307.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,578.92 : 437,506.62 = 173,483.56 : x
  2. Step 2: Convert to fraction form
    291,578.92/437,506.62 = 173,483.56/x
  3. Step 3: Cross multiply
    291,578.92x = 437,506.62 × 173,483.56
  4. Step 4: Simplify right side
    291,578.92x = 75,900,205,961.17
  5. Step 5: Solve for x
    x = 75,900,205,961.17/291,578.92
  6. Step 6: Final answer
    x = 260,307.59

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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.