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Finding the Fourth Proportional to 571,436.96, 857,260.38 and 465,758.39

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Solution

The fourth proportional to 571,436.96, 857,260.38 and 465,758.39 is: 698,723.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,436.96 : 857,260.38 = 465,758.39 : x
  2. Step 2: Convert to fraction form
    571,436.96/857,260.38 = 465,758.39/x
  3. Step 3: Cross multiply
    571,436.96x = 857,260.38 × 465,758.39
  4. Step 4: Simplify right side
    571,436.96x = 399,276,210,113.29
  5. Step 5: Solve for x
    x = 399,276,210,113.29/571,436.96
  6. Step 6: Final answer
    x = 698,723.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.