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Finding the Fourth Proportional to 440,588.82, 608,010.45 and 249,601.76

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Solution

The fourth proportional to 440,588.82, 608,010.45 and 249,601.76 is: 344,449.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,588.82 : 608,010.45 = 249,601.76 : x
  2. Step 2: Convert to fraction form
    440,588.82/608,010.45 = 249,601.76/x
  3. Step 3: Cross multiply
    440,588.82x = 608,010.45 × 249,601.76
  4. Step 4: Simplify right side
    440,588.82x = 151,760,475,378.34
  5. Step 5: Solve for x
    x = 151,760,475,378.34/440,588.82
  6. Step 6: Final answer
    x = 344,449.22

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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.