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Finding the Fourth Proportional to 528,999.60, 793,572.30 and 191,958.60

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Solution

The fourth proportional to 528,999.60, 793,572.30 and 191,958.60 is: 287,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,999.60 : 793,572.30 = 191,958.60 : x
  2. Step 2: Convert to fraction form
    528,999.60/793,572.30 = 191,958.60/x
  3. Step 3: Cross multiply
    528,999.60x = 793,572.30 × 191,958.60
  4. Step 4: Simplify right side
    528,999.60x = 152,333,027,706.78
  5. Step 5: Solve for x
    x = 152,333,027,706.78/528,999.60
  6. Step 6: Final answer
    x = 287,964.35

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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.