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Finding the Fourth Proportional to 592,203.30, 817,238.20 and 320,271.48

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Solution

The fourth proportional to 592,203.30, 817,238.20 and 320,271.48 is: 441,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,203.30 : 817,238.20 = 320,271.48 : x
  2. Step 2: Convert to fraction form
    592,203.30/817,238.20 = 320,271.48/x
  3. Step 3: Cross multiply
    592,203.30x = 817,238.20 × 320,271.48
  4. Step 4: Simplify right side
    592,203.30x = 261,738,089,068.95
  5. Step 5: Solve for x
    x = 261,738,089,068.95/592,203.30
  6. Step 6: Final answer
    x = 441,973.37

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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.