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Finding the Fourth Proportional to 450,588.84, 621,770.44 and 269,264.76

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Solution

The fourth proportional to 450,588.84, 621,770.44 and 269,264.76 is: 371,560.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,588.84 : 621,770.44 = 269,264.76 : x
  2. Step 2: Convert to fraction form
    450,588.84/621,770.44 = 269,264.76/x
  3. Step 3: Cross multiply
    450,588.84x = 621,770.44 × 269,264.76
  4. Step 4: Simplify right side
    450,588.84x = 167,420,868,301.69
  5. Step 5: Solve for x
    x = 167,420,868,301.69/450,588.84
  6. Step 6: Final answer
    x = 371,560.18

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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.