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Finding the Fourth Proportional to 637,267.42, 879,326.13 and 365,285.26

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Solution

The fourth proportional to 637,267.42, 879,326.13 and 365,285.26 is: 504,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,267.42 : 879,326.13 = 365,285.26 : x
  2. Step 2: Convert to fraction form
    637,267.42/879,326.13 = 365,285.26/x
  3. Step 3: Cross multiply
    637,267.42x = 879,326.13 × 365,285.26
  4. Step 4: Simplify right side
    637,267.42x = 321,204,874,021.84
  5. Step 5: Solve for x
    x = 321,204,874,021.84/637,267.42
  6. Step 6: Final answer
    x = 504,034.67

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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.