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Finding the Fourth Proportional to 671,165.82, 926,208.95 and 369,359.82

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Solution

The fourth proportional to 671,165.82, 926,208.95 and 369,359.82 is: 509,716.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,165.82 : 926,208.95 = 369,359.82 : x
  2. Step 2: Convert to fraction form
    671,165.82/926,208.95 = 369,359.82/x
  3. Step 3: Cross multiply
    671,165.82x = 926,208.95 × 369,359.82
  4. Step 4: Simplify right side
    671,165.82x = 342,104,369,207.59
  5. Step 5: Solve for x
    x = 342,104,369,207.59/671,165.82
  6. Step 6: Final answer
    x = 509,716.61

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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.