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Finding the Fourth Proportional to 508,102.56, 701,150.04 and 281,748.06

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Solution

The fourth proportional to 508,102.56, 701,150.04 and 281,748.06 is: 388,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,102.56 : 701,150.04 = 281,748.06 : x
  2. Step 2: Convert to fraction form
    508,102.56/701,150.04 = 281,748.06/x
  3. Step 3: Cross multiply
    508,102.56x = 701,150.04 × 281,748.06
  4. Step 4: Simplify right side
    508,102.56x = 197,547,663,538.92
  5. Step 5: Solve for x
    x = 197,547,663,538.92/508,102.56
  6. Step 6: Final answer
    x = 388,794.86

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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.