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Finding the Fourth Proportional to 636,184.25, 877,936.10 and 364,256.33

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Solution

The fourth proportional to 636,184.25, 877,936.10 and 364,256.33 is: 502,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,184.25 : 877,936.10 = 364,256.33 : x
  2. Step 2: Convert to fraction form
    636,184.25/877,936.10 = 364,256.33/x
  3. Step 3: Cross multiply
    636,184.25x = 877,936.10 × 364,256.33
  4. Step 4: Simplify right side
    636,184.25x = 319,793,781,760.51
  5. Step 5: Solve for x
    x = 319,793,781,760.51/636,184.25
  6. Step 6: Final answer
    x = 502,674.79

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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.