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Finding the Fourth Proportional to 353,117.61, 529,596.54 and 100,392.48

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Solution

The fourth proportional to 353,117.61, 529,596.54 and 100,392.48 is: 150,566.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,117.61 : 529,596.54 = 100,392.48 : x
  2. Step 2: Convert to fraction form
    353,117.61/529,596.54 = 100,392.48/x
  3. Step 3: Cross multiply
    353,117.61x = 529,596.54 × 100,392.48
  4. Step 4: Simplify right side
    353,117.61x = 53,167,510,050.02
  5. Step 5: Solve for x
    x = 53,167,510,050.02/353,117.61
  6. Step 6: Final answer
    x = 150,566.01

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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.