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Finding the Fourth Proportional to 633,046.64, 873,604.58 and 346,584.87

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Solution

The fourth proportional to 633,046.64, 873,604.58 and 346,584.87 is: 478,287.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,046.64 : 873,604.58 = 346,584.87 : x
  2. Step 2: Convert to fraction form
    633,046.64/873,604.58 = 346,584.87/x
  3. Step 3: Cross multiply
    633,046.64x = 873,604.58 × 346,584.87
  4. Step 4: Simplify right side
    633,046.64x = 302,778,128,057.78
  5. Step 5: Solve for x
    x = 302,778,128,057.78/633,046.64
  6. Step 6: Final answer
    x = 478,287.24

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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.