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Finding the Fourth Proportional to 633,504.46, 873,535.64 and 403,697.74

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Solution

The fourth proportional to 633,504.46, 873,535.64 and 403,697.74 is: 556,656.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,504.46 : 873,535.64 = 403,697.74 : x
  2. Step 2: Convert to fraction form
    633,504.46/873,535.64 = 403,697.74/x
  3. Step 3: Cross multiply
    633,504.46x = 873,535.64 × 403,697.74
  4. Step 4: Simplify right side
    633,504.46x = 352,644,363,677.45
  5. Step 5: Solve for x
    x = 352,644,363,677.45/633,504.46
  6. Step 6: Final answer
    x = 556,656.48

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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.