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Finding the Fourth Proportional to 552,197.94, 828,315.54 and 152,805.48

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Solution

The fourth proportional to 552,197.94, 828,315.54 and 152,805.48 is: 229,213.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,197.94 : 828,315.54 = 152,805.48 : x
  2. Step 2: Convert to fraction form
    552,197.94/828,315.54 = 152,805.48/x
  3. Step 3: Cross multiply
    552,197.94x = 828,315.54 × 152,805.48
  4. Step 4: Simplify right side
    552,197.94x = 126,571,153,681.16
  5. Step 5: Solve for x
    x = 126,571,153,681.16/552,197.94
  6. Step 6: Final answer
    x = 229,213.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.