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Finding the Fourth Proportional to 353,089.33, 529,336.47 and 153,259.49

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Solution

The fourth proportional to 353,089.33, 529,336.47 and 153,259.49 is: 229,760.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,089.33 : 529,336.47 = 153,259.49 : x
  2. Step 2: Convert to fraction form
    353,089.33/529,336.47 = 153,259.49/x
  3. Step 3: Cross multiply
    353,089.33x = 529,336.47 × 153,259.49
  4. Step 4: Simplify right side
    353,089.33x = 81,125,838,466.58
  5. Step 5: Solve for x
    x = 81,125,838,466.58/353,089.33
  6. Step 6: Final answer
    x = 229,760.10

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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.