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Finding the Fourth Proportional to 592,203.90, 817,239.02 and 320,272.14

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Solution

The fourth proportional to 592,203.90, 817,239.02 and 320,272.14 is: 441,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,203.90 : 817,239.02 = 320,272.14 : x
  2. Step 2: Convert to fraction form
    592,203.90/817,239.02 = 320,272.14/x
  3. Step 3: Cross multiply
    592,203.90x = 817,239.02 × 320,272.14
  4. Step 4: Simplify right side
    592,203.90x = 261,738,889,826.90
  5. Step 5: Solve for x
    x = 261,738,889,826.90/592,203.90
  6. Step 6: Final answer
    x = 441,974.28

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1.5x scale

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.