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Finding the Fourth Proportional to 453,398.76, 625,680.18 and 262,408.32

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Solution

The fourth proportional to 453,398.76, 625,680.18 and 262,408.32 is: 362,117.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,398.76 : 625,680.18 = 262,408.32 : x
  2. Step 2: Convert to fraction form
    453,398.76/625,680.18 = 262,408.32/x
  3. Step 3: Cross multiply
    453,398.76x = 625,680.18 × 262,408.32
  4. Step 4: Simplify right side
    453,398.76x = 164,183,684,891.10
  5. Step 5: Solve for x
    x = 164,183,684,891.10/453,398.76
  6. Step 6: Final answer
    x = 362,117.63

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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.