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Finding the Fourth Proportional to 519,234.84, 778,317.66 and 376,725.06

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Solution

The fourth proportional to 519,234.84, 778,317.66 and 376,725.06 is: 564,699.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,234.84 : 778,317.66 = 376,725.06 : x
  2. Step 2: Convert to fraction form
    519,234.84/778,317.66 = 376,725.06/x
  3. Step 3: Cross multiply
    519,234.84x = 778,317.66 × 376,725.06
  4. Step 4: Simplify right side
    519,234.84x = 293,211,767,162.56
  5. Step 5: Solve for x
    x = 293,211,767,162.56/519,234.84
  6. Step 6: Final answer
    x = 564,699.72

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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.