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Finding the Fourth Proportional to 352,535.60, 529,030.20 and 194,877.20

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Solution

The fourth proportional to 352,535.60, 529,030.20 and 194,877.20 is: 292,441.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,535.60 : 529,030.20 = 194,877.20 : x
  2. Step 2: Convert to fraction form
    352,535.60/529,030.20 = 194,877.20/x
  3. Step 3: Cross multiply
    352,535.60x = 529,030.20 × 194,877.20
  4. Step 4: Simplify right side
    352,535.60x = 103,095,924,091.44
  5. Step 5: Solve for x
    x = 103,095,924,091.44/352,535.60
  6. Step 6: Final answer
    x = 292,441.17

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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.