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Finding the Fourth Proportional to 353,114.61, 529,592.04 and 100,389.49

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Solution

The fourth proportional to 353,114.61, 529,592.04 and 100,389.49 is: 150,561.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,114.61 : 529,592.04 = 100,389.49 : x
  2. Step 2: Convert to fraction form
    353,114.61/529,592.04 = 100,389.49/x
  3. Step 3: Cross multiply
    353,114.61x = 529,592.04 × 100,389.49
  4. Step 4: Simplify right side
    353,114.61x = 53,165,473,479.68
  5. Step 5: Solve for x
    x = 53,165,473,479.68/353,114.61
  6. Step 6: Final answer
    x = 150,561.52

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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.