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Finding the Fourth Proportional to 354,802.60, 532,203.90 and 235,052.20

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Solution

The fourth proportional to 354,802.60, 532,203.90 and 235,052.20 is: 352,578.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,802.60 : 532,203.90 = 235,052.20 : x
  2. Step 2: Convert to fraction form
    354,802.60/532,203.90 = 235,052.20/x
  3. Step 3: Cross multiply
    354,802.60x = 532,203.90 × 235,052.20
  4. Step 4: Simplify right side
    354,802.60x = 125,095,697,543.58
  5. Step 5: Solve for x
    x = 125,095,697,543.58/354,802.60
  6. Step 6: Final answer
    x = 352,578.30

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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.