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Finding the Fourth Proportional to 342,767.52, 473,013.37 and 189,802.43

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Solution

The fourth proportional to 342,767.52, 473,013.37 and 189,802.43 is: 261,924.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,767.52 : 473,013.37 = 189,802.43 : x
  2. Step 2: Convert to fraction form
    342,767.52/473,013.37 = 189,802.43/x
  3. Step 3: Cross multiply
    342,767.52x = 473,013.37 × 189,802.43
  4. Step 4: Simplify right side
    342,767.52x = 89,779,087,048.49
  5. Step 5: Solve for x
    x = 89,779,087,048.49/342,767.52
  6. Step 6: Final answer
    x = 261,924.14

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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.