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Finding the Fourth Proportional to 331,068.53, 456,842.97 and 185,841.07

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Solution

The fourth proportional to 331,068.53, 456,842.97 and 185,841.07 is: 256,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,068.53 : 456,842.97 = 185,841.07 : x
  2. Step 2: Convert to fraction form
    331,068.53/456,842.97 = 185,841.07/x
  3. Step 3: Cross multiply
    331,068.53x = 456,842.97 × 185,841.07
  4. Step 4: Simplify right side
    331,068.53x = 84,900,185,224.67
  5. Step 5: Solve for x
    x = 84,900,185,224.67/331,068.53
  6. Step 6: Final answer
    x = 256,442.93

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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.