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Finding the Fourth Proportional to 352,881.60, 529,322.40 and 195,417.60

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Solution

The fourth proportional to 352,881.60, 529,322.40 and 195,417.60 is: 293,126.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,881.60 : 529,322.40 = 195,417.60 : x
  2. Step 2: Convert to fraction form
    352,881.60/529,322.40 = 195,417.60/x
  3. Step 3: Cross multiply
    352,881.60x = 529,322.40 × 195,417.60
  4. Step 4: Simplify right side
    352,881.60x = 103,438,913,034.24
  5. Step 5: Solve for x
    x = 103,438,913,034.24/352,881.60
  6. Step 6: Final answer
    x = 293,126.40

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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.