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Finding the Fourth Proportional to 353,309.60, 529,823.60 and 116,586.40

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Solution

The fourth proportional to 353,309.60, 529,823.60 and 116,586.40 is: 174,833.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,309.60 : 529,823.60 = 116,586.40 : x
  2. Step 2: Convert to fraction form
    353,309.60/529,823.60 = 116,586.40/x
  3. Step 3: Cross multiply
    353,309.60x = 529,823.60 × 116,586.40
  4. Step 4: Simplify right side
    353,309.60x = 61,770,226,159.04
  5. Step 5: Solve for x
    x = 61,770,226,159.04/353,309.60
  6. Step 6: Final answer
    x = 174,833.14

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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.