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Finding the Fourth Proportional to 510,592.25, 704,622.56 and 281,170.89

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Solution

The fourth proportional to 510,592.25, 704,622.56 and 281,170.89 is: 388,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,592.25 : 704,622.56 = 281,170.89 : x
  2. Step 2: Convert to fraction form
    510,592.25/704,622.56 = 281,170.89/x
  3. Step 3: Cross multiply
    510,592.25x = 704,622.56 × 281,170.89
  4. Step 4: Simplify right side
    510,592.25x = 198,119,350,903.42
  5. Step 5: Solve for x
    x = 198,119,350,903.42/510,592.25
  6. Step 6: Final answer
    x = 388,018.72

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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.