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Finding the Fourth Proportional to 567,960.59, 783,645.75 and 347,141.94

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Solution

The fourth proportional to 567,960.59, 783,645.75 and 347,141.94 is: 478,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,960.59 : 783,645.75 = 347,141.94 : x
  2. Step 2: Convert to fraction form
    567,960.59/783,645.75 = 347,141.94/x
  3. Step 3: Cross multiply
    567,960.59x = 783,645.75 × 347,141.94
  4. Step 4: Simplify right side
    567,960.59x = 272,036,305,927.76
  5. Step 5: Solve for x
    x = 272,036,305,927.76/567,960.59
  6. Step 6: Final answer
    x = 478,970.40

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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.