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Finding the Fourth Proportional to 519,448.88, 779,095.38 and 164,416.88

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Solution

The fourth proportional to 519,448.88, 779,095.38 and 164,416.88 is: 246,600.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,448.88 : 779,095.38 = 164,416.88 : x
  2. Step 2: Convert to fraction form
    519,448.88/779,095.38 = 164,416.88/x
  3. Step 3: Cross multiply
    519,448.88x = 779,095.38 × 164,416.88
  4. Step 4: Simplify right side
    519,448.88x = 128,096,431,602.01
  5. Step 5: Solve for x
    x = 128,096,431,602.01/519,448.88
  6. Step 6: Final answer
    x = 246,600.65

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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.