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Finding the Fourth Proportional to 592,787, 818,046.10 and 324,515

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Solution

The fourth proportional to 592,787, 818,046.10 and 324,515 is: 447,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,787 : 818,046.10 = 324,515 : x
  2. Step 2: Convert to fraction form
    592,787/818,046.10 = 324,515/x
  3. Step 3: Cross multiply
    592,787x = 818,046.10 × 324,515
  4. Step 4: Simplify right side
    592,787x = 265,468,230,141.50
  5. Step 5: Solve for x
    x = 265,468,230,141.50/592,787
  6. Step 6: Final answer
    x = 447,830.72

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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.