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Finding the Fourth Proportional to 343,297.60, 514,946.40 and 325,801.60

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Solution

The fourth proportional to 343,297.60, 514,946.40 and 325,801.60 is: 488,702.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,297.60 : 514,946.40 = 325,801.60 : x
  2. Step 2: Convert to fraction form
    343,297.60/514,946.40 = 325,801.60/x
  3. Step 3: Cross multiply
    343,297.60x = 514,946.40 × 325,801.60
  4. Step 4: Simplify right side
    343,297.60x = 167,770,361,034.24
  5. Step 5: Solve for x
    x = 167,770,361,034.24/343,297.60
  6. Step 6: Final answer
    x = 488,702.40

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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.