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Finding the Fourth Proportional to 519,479.50, 779,297.16 and 182,460.76

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Solution

The fourth proportional to 519,479.50, 779,297.16 and 182,460.76 is: 273,718.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,479.50 : 779,297.16 = 182,460.76 : x
  2. Step 2: Convert to fraction form
    519,479.50/779,297.16 = 182,460.76/x
  3. Step 3: Cross multiply
    519,479.50x = 779,297.16 × 182,460.76
  4. Step 4: Simplify right side
    519,479.50x = 142,191,152,079.44
  5. Step 5: Solve for x
    x = 142,191,152,079.44/519,479.50
  6. Step 6: Final answer
    x = 273,718.50

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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.