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Finding the Fourth Proportional to 510,800.73, 704,904.99 and 296,065.35

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Solution

The fourth proportional to 510,800.73, 704,904.99 and 296,065.35 is: 408,570.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,800.73 : 704,904.99 = 296,065.35 : x
  2. Step 2: Convert to fraction form
    510,800.73/704,904.99 = 296,065.35/x
  3. Step 3: Cross multiply
    510,800.73x = 704,904.99 × 296,065.35
  4. Step 4: Simplify right side
    510,800.73x = 208,697,942,581.10
  5. Step 5: Solve for x
    x = 208,697,942,581.10/510,800.73
  6. Step 6: Final answer
    x = 408,570.17

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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.