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Finding the Fourth Proportional to 529,359.58, 793,840.65 and 192,316.96

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Solution

The fourth proportional to 529,359.58, 793,840.65 and 192,316.96 is: 288,403.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,359.58 : 793,840.65 = 192,316.96 : x
  2. Step 2: Convert to fraction form
    529,359.58/793,840.65 = 192,316.96/x
  3. Step 3: Cross multiply
    529,359.58x = 793,840.65 × 192,316.96
  4. Step 4: Simplify right side
    529,359.58x = 152,669,020,532.42
  5. Step 5: Solve for x
    x = 152,669,020,532.42/529,359.58
  6. Step 6: Final answer
    x = 288,403.24

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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.