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Finding the Fourth Proportional to 353,287.01, 487,538.37 and 192,143.23

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Solution

The fourth proportional to 353,287.01, 487,538.37 and 192,143.23 is: 265,158.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,287.01 : 487,538.37 = 192,143.23 : x
  2. Step 2: Convert to fraction form
    353,287.01/487,538.37 = 192,143.23/x
  3. Step 3: Cross multiply
    353,287.01x = 487,538.37 × 192,143.23
  4. Step 4: Simplify right side
    353,287.01x = 93,677,195,941.89
  5. Step 5: Solve for x
    x = 93,677,195,941.89/353,287.01
  6. Step 6: Final answer
    x = 265,158.90

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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.