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Finding the Fourth Proportional to 503,850.31, 695,281.53 and 277,495.81

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Solution

The fourth proportional to 503,850.31, 695,281.53 and 277,495.81 is: 382,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,850.31 : 695,281.53 = 277,495.81 : x
  2. Step 2: Convert to fraction form
    503,850.31/695,281.53 = 277,495.81/x
  3. Step 3: Cross multiply
    503,850.31x = 695,281.53 × 277,495.81
  4. Step 4: Simplify right side
    503,850.31x = 192,937,711,345.39
  5. Step 5: Solve for x
    x = 192,937,711,345.39/503,850.31
  6. Step 6: Final answer
    x = 382,926.65

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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.