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Finding the Fourth Proportional to 453,414.84, 625,715.98 and 283,745.40

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Solution

The fourth proportional to 453,414.84, 625,715.98 and 283,745.40 is: 391,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,414.84 : 625,715.98 = 283,745.40 : x
  2. Step 2: Convert to fraction form
    453,414.84/625,715.98 = 283,745.40/x
  3. Step 3: Cross multiply
    453,414.84x = 625,715.98 × 283,745.40
  4. Step 4: Simplify right side
    453,414.84x = 177,544,031,031.49
  5. Step 5: Solve for x
    x = 177,544,031,031.49/453,414.84
  6. Step 6: Final answer
    x = 391,570.84

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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.