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Finding the Fourth Proportional to 528,184.36, 791,926.02 and 191,180.92

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Solution

The fourth proportional to 528,184.36, 791,926.02 and 191,180.92 is: 286,644.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,184.36 : 791,926.02 = 191,180.92 : x
  2. Step 2: Convert to fraction form
    528,184.36/791,926.02 = 191,180.92/x
  3. Step 3: Cross multiply
    528,184.36x = 791,926.02 × 191,180.92
  4. Step 4: Simplify right side
    528,184.36x = 151,401,145,075.54
  5. Step 5: Solve for x
    x = 151,401,145,075.54/528,184.36
  6. Step 6: Final answer
    x = 286,644.51

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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.