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Finding the Fourth Proportional to 437,326.62, 603,511.83 and 253,600.80

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Solution

The fourth proportional to 437,326.62, 603,511.83 and 253,600.80 is: 349,969.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,326.62 : 603,511.83 = 253,600.80 : x
  2. Step 2: Convert to fraction form
    437,326.62/603,511.83 = 253,600.80/x
  3. Step 3: Cross multiply
    437,326.62x = 603,511.83 × 253,600.80
  4. Step 4: Simplify right side
    437,326.62x = 153,051,082,897.46
  5. Step 5: Solve for x
    x = 153,051,082,897.46/437,326.62
  6. Step 6: Final answer
    x = 349,969.74

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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.