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Finding the Fourth Proportional to 519,347.58, 779,099.13 and 164,243.58

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Solution

The fourth proportional to 519,347.58, 779,099.13 and 164,243.58 is: 246,389.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,347.58 : 779,099.13 = 164,243.58 : x
  2. Step 2: Convert to fraction form
    519,347.58/779,099.13 = 164,243.58/x
  3. Step 3: Cross multiply
    519,347.58x = 779,099.13 × 164,243.58
  4. Step 4: Simplify right side
    519,347.58x = 127,962,030,286.09
  5. Step 5: Solve for x
    x = 127,962,030,286.09/519,347.58
  6. Step 6: Final answer
    x = 246,389.96

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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.