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Finding the Fourth Proportional to 342,928.72, 473,472.71 and 214,063.39

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Solution

The fourth proportional to 342,928.72, 473,472.71 and 214,063.39 is: 295,551.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,928.72 : 473,472.71 = 214,063.39 : x
  2. Step 2: Convert to fraction form
    342,928.72/473,472.71 = 214,063.39/x
  3. Step 3: Cross multiply
    342,928.72x = 473,472.71 × 214,063.39
  4. Step 4: Simplify right side
    342,928.72x = 101,353,173,699.35
  5. Step 5: Solve for x
    x = 101,353,173,699.35/342,928.72
  6. Step 6: Final answer
    x = 295,551.72

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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.