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Finding the Fourth Proportional to 633,260.88, 873,919.80 and 346,808.16

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Solution

The fourth proportional to 633,260.88, 873,919.80 and 346,808.16 is: 478,606.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,260.88 : 873,919.80 = 346,808.16 : x
  2. Step 2: Convert to fraction form
    633,260.88/873,919.80 = 346,808.16/x
  3. Step 3: Cross multiply
    633,260.88x = 873,919.80 × 346,808.16
  4. Step 4: Simplify right side
    633,260.88x = 303,082,517,825.57
  5. Step 5: Solve for x
    x = 303,082,517,825.57/633,260.88
  6. Step 6: Final answer
    x = 478,606.10

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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.