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Finding the Fourth Proportional to 352,294.60, 528,053.10 and 194,636.20

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Solution

The fourth proportional to 352,294.60, 528,053.10 and 194,636.20 is: 291,739.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,294.60 : 528,053.10 = 194,636.20 : x
  2. Step 2: Convert to fraction form
    352,294.60/528,053.10 = 194,636.20/x
  3. Step 3: Cross multiply
    352,294.60x = 528,053.10 × 194,636.20
  4. Step 4: Simplify right side
    352,294.60x = 102,778,248,782.22
  5. Step 5: Solve for x
    x = 102,778,248,782.22/352,294.60
  6. Step 6: Final answer
    x = 291,739.50

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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.