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Finding the Fourth Proportional to 452,616.08, 624,630 and 251,412.08

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Solution

The fourth proportional to 452,616.08, 624,630 and 251,412.08 is: 346,959.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,616.08 : 624,630 = 251,412.08 : x
  2. Step 2: Convert to fraction form
    452,616.08/624,630 = 251,412.08/x
  3. Step 3: Cross multiply
    452,616.08x = 624,630 × 251,412.08
  4. Step 4: Simplify right side
    452,616.08x = 157,039,527,530.40
  5. Step 5: Solve for x
    x = 157,039,527,530.40/452,616.08
  6. Step 6: Final answer
    x = 346,959.67

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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.