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Finding the Fourth Proportional to 592,230.66, 817,278.30 and 320,298.55

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Solution

The fourth proportional to 592,230.66, 817,278.30 and 320,298.55 is: 442,011.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,230.66 : 817,278.30 = 320,298.55 : x
  2. Step 2: Convert to fraction form
    592,230.66/817,278.30 = 320,298.55/x
  3. Step 3: Cross multiply
    592,230.66x = 817,278.30 × 320,298.55
  4. Step 4: Simplify right side
    592,230.66x = 261,773,052,393.27
  5. Step 5: Solve for x
    x = 261,773,052,393.27/592,230.66
  6. Step 6: Final answer
    x = 442,011.99

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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.