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Finding the Fourth Proportional to 592,670.88, 817,879.44 and 320,732.76

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Solution

The fourth proportional to 592,670.88, 817,879.44 and 320,732.76 is: 442,607.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,670.88 : 817,879.44 = 320,732.76 : x
  2. Step 2: Convert to fraction form
    592,670.88/817,879.44 = 320,732.76/x
  3. Step 3: Cross multiply
    592,670.88x = 817,879.44 × 320,732.76
  4. Step 4: Simplify right side
    592,670.88x = 262,320,730,138.45
  5. Step 5: Solve for x
    x = 262,320,730,138.45/592,670.88
  6. Step 6: Final answer
    x = 442,607.76

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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.