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Finding the Fourth Proportional to 266,363, 367,580.94 and 153,183.32

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Solution

The fourth proportional to 266,363, 367,580.94 and 153,183.32 is: 211,392.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,363 : 367,580.94 = 153,183.32 : x
  2. Step 2: Convert to fraction form
    266,363/367,580.94 = 153,183.32/x
  3. Step 3: Cross multiply
    266,363x = 367,580.94 × 153,183.32
  4. Step 4: Simplify right side
    266,363x = 56,307,268,757.92
  5. Step 5: Solve for x
    x = 56,307,268,757.92/266,363
  6. Step 6: Final answer
    x = 211,392.98

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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.