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Finding the Fourth Proportional to 637,183.87, 879,296.92 and 346,801.10

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Solution

The fourth proportional to 637,183.87, 879,296.92 and 346,801.10 is: 478,576.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,183.87 : 879,296.92 = 346,801.10 : x
  2. Step 2: Convert to fraction form
    637,183.87/879,296.92 = 346,801.10/x
  3. Step 3: Cross multiply
    637,183.87x = 879,296.92 × 346,801.10
  4. Step 4: Simplify right side
    637,183.87x = 304,941,133,819.13
  5. Step 5: Solve for x
    x = 304,941,133,819.13/637,183.87
  6. Step 6: Final answer
    x = 478,576.36

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Similar ratio
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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.