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Finding the Fourth Proportional to 535,047.52, 738,220.08 and 319,997.92

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Solution

The fourth proportional to 535,047.52, 738,220.08 and 319,997.92 is: 441,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,047.52 : 738,220.08 = 319,997.92 : x
  2. Step 2: Convert to fraction form
    535,047.52/738,220.08 = 319,997.92/x
  3. Step 3: Cross multiply
    535,047.52x = 738,220.08 × 319,997.92
  4. Step 4: Simplify right side
    535,047.52x = 236,228,890,102.23
  5. Step 5: Solve for x
    x = 236,228,890,102.23/535,047.52
  6. Step 6: Final answer
    x = 441,510.11

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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.