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Finding the Fourth Proportional to 545,326.66, 818,228.13 and 190,595.26

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Solution

The fourth proportional to 545,326.66, 818,228.13 and 190,595.26 is: 285,976.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,326.66 : 818,228.13 = 190,595.26 : x
  2. Step 2: Convert to fraction form
    545,326.66/818,228.13 = 190,595.26/x
  3. Step 3: Cross multiply
    545,326.66x = 818,228.13 × 190,595.26
  4. Step 4: Simplify right side
    545,326.66x = 155,950,403,176.66
  5. Step 5: Solve for x
    x = 155,950,403,176.66/545,326.66
  6. Step 6: Final answer
    x = 285,976.12

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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.