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Finding the Fourth Proportional to 297,802.48, 411,385.80 and 270,897.52

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Solution

The fourth proportional to 297,802.48, 411,385.80 and 270,897.52 is: 374,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,802.48 : 411,385.80 = 270,897.52 : x
  2. Step 2: Convert to fraction form
    297,802.48/411,385.80 = 270,897.52/x
  3. Step 3: Cross multiply
    297,802.48x = 411,385.80 × 270,897.52
  4. Step 4: Simplify right side
    297,802.48x = 111,443,392,983.22
  5. Step 5: Solve for x
    x = 111,443,392,983.22/297,802.48
  6. Step 6: Final answer
    x = 374,219.16

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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.