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Finding the Fourth Proportional to 519,764.32, 779,957.51 and 224,276.32

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Solution

The fourth proportional to 519,764.32, 779,957.51 and 224,276.32 is: 336,548.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,764.32 : 779,957.51 = 224,276.32 : x
  2. Step 2: Convert to fraction form
    519,764.32/779,957.51 = 224,276.32/x
  3. Step 3: Cross multiply
    519,764.32x = 779,957.51 × 224,276.32
  4. Step 4: Simplify right side
    519,764.32x = 174,926,000,099.16
  5. Step 5: Solve for x
    x = 174,926,000,099.16/519,764.32
  6. Step 6: Final answer
    x = 336,548.69

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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.