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Finding the Fourth Proportional to 352,606.60, 529,136.70 and 194,948.20

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Solution

The fourth proportional to 352,606.60, 529,136.70 and 194,948.20 is: 292,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,606.60 : 529,136.70 = 194,948.20 : x
  2. Step 2: Convert to fraction form
    352,606.60/529,136.70 = 194,948.20/x
  3. Step 3: Cross multiply
    352,606.60x = 529,136.70 × 194,948.20
  4. Step 4: Simplify right side
    352,606.60x = 103,154,247,218.94
  5. Step 5: Solve for x
    x = 103,154,247,218.94/352,606.60
  6. Step 6: Final answer
    x = 292,547.69

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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.