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Finding the Fourth Proportional to 567,411.33, 783,004.07 and 309,282.59

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Solution

The fourth proportional to 567,411.33, 783,004.07 and 309,282.59 is: 426,797.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,411.33 : 783,004.07 = 309,282.59 : x
  2. Step 2: Convert to fraction form
    567,411.33/783,004.07 = 309,282.59/x
  3. Step 3: Cross multiply
    567,411.33x = 783,004.07 × 309,282.59
  4. Step 4: Simplify right side
    567,411.33x = 242,169,525,203.73
  5. Step 5: Solve for x
    x = 242,169,525,203.73/567,411.33
  6. Step 6: Final answer
    x = 426,797.13

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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.