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Finding the Fourth Proportional to 352,147.60, 528,221.40 and 334,944.40

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Solution

The fourth proportional to 352,147.60, 528,221.40 and 334,944.40 is: 502,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,147.60 : 528,221.40 = 334,944.40 : x
  2. Step 2: Convert to fraction form
    352,147.60/528,221.40 = 334,944.40/x
  3. Step 3: Cross multiply
    352,147.60x = 528,221.40 × 334,944.40
  4. Step 4: Simplify right side
    352,147.60x = 176,924,799,890.16
  5. Step 5: Solve for x
    x = 176,924,799,890.16/352,147.60
  6. Step 6: Final answer
    x = 502,416.60

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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.