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Finding the Fourth Proportional to 354,673.60, 532,010.40 and 325,643.20

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Solution

The fourth proportional to 354,673.60, 532,010.40 and 325,643.20 is: 488,464.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,673.60 : 532,010.40 = 325,643.20 : x
  2. Step 2: Convert to fraction form
    354,673.60/532,010.40 = 325,643.20/x
  3. Step 3: Cross multiply
    354,673.60x = 532,010.40 × 325,643.20
  4. Step 4: Simplify right side
    354,673.60x = 173,245,569,089.28
  5. Step 5: Solve for x
    x = 173,245,569,089.28/354,673.60
  6. Step 6: Final answer
    x = 488,464.80

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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.