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Finding the Fourth Proportional to 264,863.75, 365,510.75 and 156,031.34

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Solution

The fourth proportional to 264,863.75, 365,510.75 and 156,031.34 is: 215,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,863.75 : 365,510.75 = 156,031.34 : x
  2. Step 2: Convert to fraction form
    264,863.75/365,510.75 = 156,031.34/x
  3. Step 3: Cross multiply
    264,863.75x = 365,510.75 × 156,031.34
  4. Step 4: Simplify right side
    264,863.75x = 57,031,129,499.19
  5. Step 5: Solve for x
    x = 57,031,129,499.19/264,863.75
  6. Step 6: Final answer
    x = 215,322.52

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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.