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Finding the Fourth Proportional to 364,556.73, 503,088.17 and 203,411.74

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Solution

The fourth proportional to 364,556.73, 503,088.17 and 203,411.74 is: 280,708.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,556.73 : 503,088.17 = 203,411.74 : x
  2. Step 2: Convert to fraction form
    364,556.73/503,088.17 = 203,411.74/x
  3. Step 3: Cross multiply
    364,556.73x = 503,088.17 × 203,411.74
  4. Step 4: Simplify right side
    364,556.73x = 102,334,038,701.63
  5. Step 5: Solve for x
    x = 102,334,038,701.63/364,556.73
  6. Step 6: Final answer
    x = 280,708.13

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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.