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Finding the Fourth Proportional to 519,295.41, 779,056.11 and 164,312.50

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Solution

The fourth proportional to 519,295.41, 779,056.11 and 164,312.50 is: 246,504.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,295.41 : 779,056.11 = 164,312.50 : x
  2. Step 2: Convert to fraction form
    519,295.41/779,056.11 = 164,312.50/x
  3. Step 3: Cross multiply
    519,295.41x = 779,056.11 × 164,312.50
  4. Step 4: Simplify right side
    519,295.41x = 128,008,657,074.38
  5. Step 5: Solve for x
    x = 128,008,657,074.38/519,295.41
  6. Step 6: Final answer
    x = 246,504.50

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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.