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Finding the Fourth Proportional to 528,901.50, 793,352.31 and 134,917.50

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Solution

The fourth proportional to 528,901.50, 793,352.31 and 134,917.50 is: 202,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,901.50 : 793,352.31 = 134,917.50 : x
  2. Step 2: Convert to fraction form
    528,901.50/793,352.31 = 134,917.50/x
  3. Step 3: Cross multiply
    528,901.50x = 793,352.31 × 134,917.50
  4. Step 4: Simplify right side
    528,901.50x = 107,037,110,284.43
  5. Step 5: Solve for x
    x = 107,037,110,284.43/528,901.50
  6. Step 6: Final answer
    x = 202,376.27

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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.