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Finding the Fourth Proportional to 353,116.64, 529,473 and 116,395.76

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Solution

The fourth proportional to 353,116.64, 529,473 and 116,395.76 is: 174,527.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,116.64 : 529,473 = 116,395.76 : x
  2. Step 2: Convert to fraction form
    353,116.64/529,473 = 116,395.76/x
  3. Step 3: Cross multiply
    353,116.64x = 529,473 × 116,395.76
  4. Step 4: Simplify right side
    353,116.64x = 61,628,412,234.48
  5. Step 5: Solve for x
    x = 61,628,412,234.48/353,116.64
  6. Step 6: Final answer
    x = 174,527.07

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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.