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Finding the Fourth Proportional to 629,337.84, 943,656.82 and 208,384.08

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Solution

The fourth proportional to 629,337.84, 943,656.82 and 208,384.08 is: 312,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,337.84 : 943,656.82 = 208,384.08 : x
  2. Step 2: Convert to fraction form
    629,337.84/943,656.82 = 208,384.08/x
  3. Step 3: Cross multiply
    629,337.84x = 943,656.82 × 208,384.08
  4. Step 4: Simplify right side
    629,337.84x = 196,643,058,271.43
  5. Step 5: Solve for x
    x = 196,643,058,271.43/629,337.84
  6. Step 6: Final answer
    x = 312,460.25

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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.