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Finding the Fourth Proportional to 310,114.40, 464,876.30 and 99,604.74

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Solution

The fourth proportional to 310,114.40, 464,876.30 and 99,604.74 is: 149,312.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,114.40 : 464,876.30 = 99,604.74 : x
  2. Step 2: Convert to fraction form
    310,114.40/464,876.30 = 99,604.74/x
  3. Step 3: Cross multiply
    310,114.40x = 464,876.30 × 99,604.74
  4. Step 4: Simplify right side
    310,114.40x = 46,303,882,993.66
  5. Step 5: Solve for x
    x = 46,303,882,993.66/310,114.40
  6. Step 6: Final answer
    x = 149,312.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.