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Finding the Fourth Proportional to 574,702.71, 793,032.96 and 320,077.59

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Solution

The fourth proportional to 574,702.71, 793,032.96 and 320,077.59 is: 441,675.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,702.71 : 793,032.96 = 320,077.59 : x
  2. Step 2: Convert to fraction form
    574,702.71/793,032.96 = 320,077.59/x
  3. Step 3: Cross multiply
    574,702.71x = 793,032.96 × 320,077.59
  4. Step 4: Simplify right side
    574,702.71x = 253,832,078,627.37
  5. Step 5: Solve for x
    x = 253,832,078,627.37/574,702.71
  6. Step 6: Final answer
    x = 441,675.45

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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.