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Finding the Fourth Proportional to 418,707.18, 577,804.96 and 244,310.74

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Solution

The fourth proportional to 418,707.18, 577,804.96 and 244,310.74 is: 337,142.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,707.18 : 577,804.96 = 244,310.74 : x
  2. Step 2: Convert to fraction form
    418,707.18/577,804.96 = 244,310.74/x
  3. Step 3: Cross multiply
    418,707.18x = 577,804.96 × 244,310.74
  4. Step 4: Simplify right side
    418,707.18x = 141,163,953,242.69
  5. Step 5: Solve for x
    x = 141,163,953,242.69/418,707.18
  6. Step 6: Final answer
    x = 337,142.42

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1.5x scale

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.