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Finding the Fourth Proportional to 560,254, 840,388.28 and 186,277

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Solution

The fourth proportional to 560,254, 840,388.28 and 186,277 is: 279,417.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,254 : 840,388.28 = 186,277 : x
  2. Step 2: Convert to fraction form
    560,254/840,388.28 = 186,277/x
  3. Step 3: Cross multiply
    560,254x = 840,388.28 × 186,277
  4. Step 4: Simplify right side
    560,254x = 156,545,007,633.56
  5. Step 5: Solve for x
    x = 156,545,007,633.56/560,254
  6. Step 6: Final answer
    x = 279,417.92

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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.