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Finding the Fourth Proportional to 353,056.08, 487,219.13 and 191,911.13

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Solution

The fourth proportional to 353,056.08, 487,219.13 and 191,911.13 is: 264,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,056.08 : 487,219.13 = 191,911.13 : x
  2. Step 2: Convert to fraction form
    353,056.08/487,219.13 = 191,911.13/x
  3. Step 3: Cross multiply
    353,056.08x = 487,219.13 × 191,911.13
  4. Step 4: Simplify right side
    353,056.08x = 93,502,770,400.27
  5. Step 5: Solve for x
    x = 93,502,770,400.27/353,056.08
  6. Step 6: Final answer
    x = 264,838.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.