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Finding the Fourth Proportional to 510,357.89, 704,104.17 and 509,570.57

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Solution

The fourth proportional to 510,357.89, 704,104.17 and 509,570.57 is: 703,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,357.89 : 704,104.17 = 509,570.57 : x
  2. Step 2: Convert to fraction form
    510,357.89/704,104.17 = 509,570.57/x
  3. Step 3: Cross multiply
    510,357.89x = 704,104.17 × 509,570.57
  4. Step 4: Simplify right side
    510,357.89x = 358,790,763,246.28
  5. Step 5: Solve for x
    x = 358,790,763,246.28/510,357.89
  6. Step 6: Final answer
    x = 703,017.96

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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.