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Finding the Fourth Proportional to 454,328.49, 626,977.60 and 250,386.76

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Solution

The fourth proportional to 454,328.49, 626,977.60 and 250,386.76 is: 345,536.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,328.49 : 626,977.60 = 250,386.76 : x
  2. Step 2: Convert to fraction form
    454,328.49/626,977.60 = 250,386.76/x
  3. Step 3: Cross multiply
    454,328.49x = 626,977.60 × 250,386.76
  4. Step 4: Simplify right side
    454,328.49x = 156,986,889,856.58
  5. Step 5: Solve for x
    x = 156,986,889,856.58/454,328.49
  6. Step 6: Final answer
    x = 345,536.09

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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.