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Finding the Fourth Proportional to 592,671.88, 817,880.82 and 320,733.76

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Solution

The fourth proportional to 592,671.88, 817,880.82 and 320,733.76 is: 442,609.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,671.88 : 817,880.82 = 320,733.76 : x
  2. Step 2: Convert to fraction form
    592,671.88/817,880.82 = 320,733.76/x
  3. Step 3: Cross multiply
    592,671.88x = 817,880.82 × 320,733.76
  4. Step 4: Simplify right side
    592,671.88x = 262,321,990,630.48
  5. Step 5: Solve for x
    x = 262,321,990,630.48/592,671.88
  6. Step 6: Final answer
    x = 442,609.14

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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.