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Finding the Fourth Proportional to 636,101.88, 877,802.04 and 364,160.76

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Solution

The fourth proportional to 636,101.88, 877,802.04 and 364,160.76 is: 502,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,101.88 : 877,802.04 = 364,160.76 : x
  2. Step 2: Convert to fraction form
    636,101.88/877,802.04 = 364,160.76/x
  3. Step 3: Cross multiply
    636,101.88x = 877,802.04 × 364,160.76
  4. Step 4: Simplify right side
    636,101.88x = 319,661,058,015.95
  5. Step 5: Solve for x
    x = 319,661,058,015.95/636,101.88
  6. Step 6: Final answer
    x = 502,531.23

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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.