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Finding the Fourth Proportional to 516,655.98, 774,666.45 and 179,618.22

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Solution

The fourth proportional to 516,655.98, 774,666.45 and 179,618.22 is: 269,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,655.98 : 774,666.45 = 179,618.22 : x
  2. Step 2: Convert to fraction form
    516,655.98/774,666.45 = 179,618.22/x
  3. Step 3: Cross multiply
    516,655.98x = 774,666.45 × 179,618.22
  4. Step 4: Simplify right side
    516,655.98x = 139,144,208,842.72
  5. Step 5: Solve for x
    x = 139,144,208,842.72/516,655.98
  6. Step 6: Final answer
    x = 269,316.94

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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.