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Finding the Fourth Proportional to 353,159.64, 529,440.84 and 153,328.86

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Solution

The fourth proportional to 353,159.64, 529,440.84 and 153,328.86 is: 229,863.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,159.64 : 529,440.84 = 153,328.86 : x
  2. Step 2: Convert to fraction form
    353,159.64/529,440.84 = 153,328.86/x
  3. Step 3: Cross multiply
    353,159.64x = 529,440.84 × 153,328.86
  4. Step 4: Simplify right side
    353,159.64x = 81,178,560,434.64
  5. Step 5: Solve for x
    x = 81,178,560,434.64/353,159.64
  6. Step 6: Final answer
    x = 229,863.64

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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.