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Finding the Fourth Proportional to 578,178.59, 867,262.91 and 451,924.92

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Solution

The fourth proportional to 578,178.59, 867,262.91 and 451,924.92 is: 677,883.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,178.59 : 867,262.91 = 451,924.92 : x
  2. Step 2: Convert to fraction form
    578,178.59/867,262.91 = 451,924.92/x
  3. Step 3: Cross multiply
    578,178.59x = 867,262.91 × 451,924.92
  4. Step 4: Simplify right side
    578,178.59x = 391,937,718,961.09
  5. Step 5: Solve for x
    x = 391,937,718,961.09/578,178.59
  6. Step 6: Final answer
    x = 677,883.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.