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Finding the Fourth Proportional to 343,444.60, 515,166.90 and 325,948.60

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Solution

The fourth proportional to 343,444.60, 515,166.90 and 325,948.60 is: 488,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,444.60 : 515,166.90 = 325,948.60 : x
  2. Step 2: Convert to fraction form
    343,444.60/515,166.90 = 325,948.60/x
  3. Step 3: Cross multiply
    343,444.60x = 515,166.90 × 325,948.60
  4. Step 4: Simplify right side
    343,444.60x = 167,917,929,821.34
  5. Step 5: Solve for x
    x = 167,917,929,821.34/343,444.60
  6. Step 6: Final answer
    x = 488,922.90

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1.5x scale

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.