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Finding the Fourth Proportional to 353,036.78, 529,256.73 and 153,206.94

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Solution

The fourth proportional to 353,036.78, 529,256.73 and 153,206.94 is: 229,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,036.78 : 529,256.73 = 153,206.94 : x
  2. Step 2: Convert to fraction form
    353,036.78/529,256.73 = 153,206.94/x
  3. Step 3: Cross multiply
    353,036.78x = 529,256.73 × 153,206.94
  4. Step 4: Simplify right side
    353,036.78x = 81,085,806,636.95
  5. Step 5: Solve for x
    x = 81,085,806,636.95/353,036.78
  6. Step 6: Final answer
    x = 229,680.90

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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.