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Finding the Fourth Proportional to 635,696.64, 877,110.12 and 360,056.88

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Solution

The fourth proportional to 635,696.64, 877,110.12 and 360,056.88 is: 496,792.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,696.64 : 877,110.12 = 360,056.88 : x
  2. Step 2: Convert to fraction form
    635,696.64/877,110.12 = 360,056.88/x
  3. Step 3: Cross multiply
    635,696.64x = 877,110.12 × 360,056.88
  4. Step 4: Simplify right side
    635,696.64x = 315,809,533,223.63
  5. Step 5: Solve for x
    x = 315,809,533,223.63/635,696.64
  6. Step 6: Final answer
    x = 496,792.83

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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.