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Finding the Fourth Proportional to 635,746.40, 877,116.04 and 360,066.68

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Solution

The fourth proportional to 635,746.40, 877,116.04 and 360,066.68 is: 496,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,746.40 : 877,116.04 = 360,066.68 : x
  2. Step 2: Convert to fraction form
    635,746.40/877,116.04 = 360,066.68/x
  3. Step 3: Cross multiply
    635,746.40x = 877,116.04 × 360,066.68
  4. Step 4: Simplify right side
    635,746.40x = 315,820,260,497.55
  5. Step 5: Solve for x
    x = 315,820,260,497.55/635,746.40
  6. Step 6: Final answer
    x = 496,770.82

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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.