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Finding the Fourth Proportional to 469,655.67, 648,125.06 and 254,795.68

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Solution

The fourth proportional to 469,655.67, 648,125.06 and 254,795.68 is: 351,618.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,655.67 : 648,125.06 = 254,795.68 : x
  2. Step 2: Convert to fraction form
    469,655.67/648,125.06 = 254,795.68/x
  3. Step 3: Cross multiply
    469,655.67x = 648,125.06 × 254,795.68
  4. Step 4: Simplify right side
    469,655.67x = 165,139,465,387.74
  5. Step 5: Solve for x
    x = 165,139,465,387.74/469,655.67
  6. Step 6: Final answer
    x = 351,618.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.