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Finding the Fourth Proportional to 622,534.17, 859,098.78 and 364,364.31

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Solution

The fourth proportional to 622,534.17, 859,098.78 and 364,364.31 is: 502,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,534.17 : 859,098.78 = 364,364.31 : x
  2. Step 2: Convert to fraction form
    622,534.17/859,098.78 = 364,364.31/x
  3. Step 3: Cross multiply
    622,534.17x = 859,098.78 × 364,364.31
  4. Step 4: Simplify right side
    622,534.17x = 313,024,934,196.54
  5. Step 5: Solve for x
    x = 313,024,934,196.54/622,534.17
  6. Step 6: Final answer
    x = 502,823.70

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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.