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Finding the Fourth Proportional to 208,314.30, 312,034.05 and 173,322.30

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Solution

The fourth proportional to 208,314.30, 312,034.05 and 173,322.30 is: 259,619.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,314.30 : 312,034.05 = 173,322.30 : x
  2. Step 2: Convert to fraction form
    208,314.30/312,034.05 = 173,322.30/x
  3. Step 3: Cross multiply
    208,314.30x = 312,034.05 × 173,322.30
  4. Step 4: Simplify right side
    208,314.30x = 54,082,459,224.32
  5. Step 5: Solve for x
    x = 54,082,459,224.32/208,314.30
  6. Step 6: Final answer
    x = 259,619.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.