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Finding the Fourth Proportional to 636,070.94, 877,753.78 and 364,164.11

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Solution

The fourth proportional to 636,070.94, 877,753.78 and 364,164.11 is: 502,532.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,070.94 : 877,753.78 = 364,164.11 : x
  2. Step 2: Convert to fraction form
    636,070.94/877,753.78 = 364,164.11/x
  3. Step 3: Cross multiply
    636,070.94x = 877,753.78 × 364,164.11
  4. Step 4: Simplify right side
    636,070.94x = 319,646,424,092.84
  5. Step 5: Solve for x
    x = 319,646,424,092.84/636,070.94
  6. Step 6: Final answer
    x = 502,532.66

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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.