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Finding the Fourth Proportional to 545,227.68, 818,579.02 and 376,328.08

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Solution

The fourth proportional to 545,227.68, 818,579.02 and 376,328.08 is: 565,001.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,227.68 : 818,579.02 = 376,328.08 : x
  2. Step 2: Convert to fraction form
    545,227.68/818,579.02 = 376,328.08/x
  3. Step 3: Cross multiply
    545,227.68x = 818,579.02 × 376,328.08
  4. Step 4: Simplify right side
    545,227.68x = 308,054,270,924.88
  5. Step 5: Solve for x
    x = 308,054,270,924.88/545,227.68
  6. Step 6: Final answer
    x = 565,001.16

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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.