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Finding the Fourth Proportional to 521,491.98, 719,599.38 and 292,017.36

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Solution

The fourth proportional to 521,491.98, 719,599.38 and 292,017.36 is: 402,950.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,491.98 : 719,599.38 = 292,017.36 : x
  2. Step 2: Convert to fraction form
    521,491.98/719,599.38 = 292,017.36/x
  3. Step 3: Cross multiply
    521,491.98x = 719,599.38 × 292,017.36
  4. Step 4: Simplify right side
    521,491.98x = 210,135,511,205.24
  5. Step 5: Solve for x
    x = 210,135,511,205.24/521,491.98
  6. Step 6: Final answer
    x = 402,950.61

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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.