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Finding the Fourth Proportional to 352,893.60, 529,340.40 and 153,309.60

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Solution

The fourth proportional to 352,893.60, 529,340.40 and 153,309.60 is: 229,964.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,893.60 : 529,340.40 = 153,309.60 : x
  2. Step 2: Convert to fraction form
    352,893.60/529,340.40 = 153,309.60/x
  3. Step 3: Cross multiply
    352,893.60x = 529,340.40 × 153,309.60
  4. Step 4: Simplify right side
    352,893.60x = 81,152,964,987.84
  5. Step 5: Solve for x
    x = 81,152,964,987.84/352,893.60
  6. Step 6: Final answer
    x = 229,964.40

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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.