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Finding the Fourth Proportional to 560,031.30, 839,937.60 and 186,054.30

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Solution

The fourth proportional to 560,031.30, 839,937.60 and 186,054.30 is: 279,045.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,031.30 : 839,937.60 = 186,054.30 : x
  2. Step 2: Convert to fraction form
    560,031.30/839,937.60 = 186,054.30/x
  3. Step 3: Cross multiply
    560,031.30x = 839,937.60 × 186,054.30
  4. Step 4: Simplify right side
    560,031.30x = 156,274,002,211.68
  5. Step 5: Solve for x
    x = 156,274,002,211.68/560,031.30
  6. Step 6: Final answer
    x = 279,045.12

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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.