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Finding the Fourth Proportional to 353,085.60, 529,628.40 and 241,111.20

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Solution

The fourth proportional to 353,085.60, 529,628.40 and 241,111.20 is: 361,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,085.60 : 529,628.40 = 241,111.20 : x
  2. Step 2: Convert to fraction form
    353,085.60/529,628.40 = 241,111.20/x
  3. Step 3: Cross multiply
    353,085.60x = 529,628.40 × 241,111.20
  4. Step 4: Simplify right side
    353,085.60x = 127,699,339,078.08
  5. Step 5: Solve for x
    x = 127,699,339,078.08/353,085.60
  6. Step 6: Final answer
    x = 361,666.80

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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.