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Finding the Fourth Proportional to 510,564.69, 704,530.58 and 281,119.23

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Solution

The fourth proportional to 510,564.69, 704,530.58 and 281,119.23 is: 387,917.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,564.69 : 704,530.58 = 281,119.23 : x
  2. Step 2: Convert to fraction form
    510,564.69/704,530.58 = 281,119.23/x
  3. Step 3: Cross multiply
    510,564.69x = 704,530.58 × 281,119.23
  4. Step 4: Simplify right side
    510,564.69x = 198,057,092,755.46
  5. Step 5: Solve for x
    x = 198,057,092,755.46/510,564.69
  6. Step 6: Final answer
    x = 387,917.72

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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.