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Finding the Fourth Proportional to 342,956, 473,279.52 and 192,056.48

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Solution

The fourth proportional to 342,956, 473,279.52 and 192,056.48 is: 265,038.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,956 : 473,279.52 = 192,056.48 : x
  2. Step 2: Convert to fraction form
    342,956/473,279.52 = 192,056.48/x
  3. Step 3: Cross multiply
    342,956x = 473,279.52 × 192,056.48
  4. Step 4: Simplify right side
    342,956x = 90,896,398,667.29
  5. Step 5: Solve for x
    x = 90,896,398,667.29/342,956
  6. Step 6: Final answer
    x = 265,038.08

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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.