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Finding the Fourth Proportional to 353,291.60, 529,937.40 and 241,317.20

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Solution

The fourth proportional to 353,291.60, 529,937.40 and 241,317.20 is: 361,975.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,291.60 : 529,937.40 = 241,317.20 : x
  2. Step 2: Convert to fraction form
    353,291.60/529,937.40 = 241,317.20/x
  3. Step 3: Cross multiply
    353,291.60x = 529,937.40 × 241,317.20
  4. Step 4: Simplify right side
    353,291.60x = 127,883,009,543.28
  5. Step 5: Solve for x
    x = 127,883,009,543.28/353,291.60
  6. Step 6: Final answer
    x = 361,975.80

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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.