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Finding the Fourth Proportional to 437,162.47, 603,285.47 and 253,436.85

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Solution

The fourth proportional to 437,162.47, 603,285.47 and 253,436.85 is: 349,743.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,162.47 : 603,285.47 = 253,436.85 : x
  2. Step 2: Convert to fraction form
    437,162.47/603,285.47 = 253,436.85/x
  3. Step 3: Cross multiply
    437,162.47x = 603,285.47 × 253,436.85
  4. Step 4: Simplify right side
    437,162.47x = 152,894,768,850.77
  5. Step 5: Solve for x
    x = 152,894,768,850.77/437,162.47
  6. Step 6: Final answer
    x = 349,743.59

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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.