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Finding the Fourth Proportional to 633,374.64, 874,078.02 and 346,910.58

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Solution

The fourth proportional to 633,374.64, 874,078.02 and 346,910.58 is: 478,748.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,374.64 : 874,078.02 = 346,910.58 : x
  2. Step 2: Convert to fraction form
    633,374.64/874,078.02 = 346,910.58/x
  3. Step 3: Cross multiply
    633,374.64x = 874,078.02 × 346,910.58
  4. Step 4: Simplify right side
    633,374.64x = 303,226,912,883.45
  5. Step 5: Solve for x
    x = 303,226,912,883.45/633,374.64
  6. Step 6: Final answer
    x = 478,748.11

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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.