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Finding the Fourth Proportional to 353,370.32, 529,943.16 and 116,668.88

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Solution

The fourth proportional to 353,370.32, 529,943.16 and 116,668.88 is: 174,966.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,370.32 : 529,943.16 = 116,668.88 : x
  2. Step 2: Convert to fraction form
    353,370.32/529,943.16 = 116,668.88/x
  3. Step 3: Cross multiply
    353,370.32x = 529,943.16 × 116,668.88
  4. Step 4: Simplify right side
    353,370.32x = 61,827,874,940.86
  5. Step 5: Solve for x
    x = 61,827,874,940.86/353,370.32
  6. Step 6: Final answer
    x = 174,966.24

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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.