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Finding the Fourth Proportional to 214,668.70, 296,038.80 and 156,472.54

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Solution

The fourth proportional to 214,668.70, 296,038.80 and 156,472.54 is: 215,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,668.70 : 296,038.80 = 156,472.54 : x
  2. Step 2: Convert to fraction form
    214,668.70/296,038.80 = 156,472.54/x
  3. Step 3: Cross multiply
    214,668.70x = 296,038.80 × 156,472.54
  4. Step 4: Simplify right side
    214,668.70x = 46,321,942,974.55
  5. Step 5: Solve for x
    x = 46,321,942,974.55/214,668.70
  6. Step 6: Final answer
    x = 215,783.40

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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.