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Finding the Fourth Proportional to 577,702.88, 797,215.06 and 319,573.10

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Solution

The fourth proportional to 577,702.88, 797,215.06 and 319,573.10 is: 441,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,702.88 : 797,215.06 = 319,573.10 : x
  2. Step 2: Convert to fraction form
    577,702.88/797,215.06 = 319,573.10/x
  3. Step 3: Cross multiply
    577,702.88x = 797,215.06 × 319,573.10
  4. Step 4: Simplify right side
    577,702.88x = 254,768,487,291.95
  5. Step 5: Solve for x
    x = 254,768,487,291.95/577,702.88
  6. Step 6: Final answer
    x = 441,002.63

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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.