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Finding the Fourth Proportional to 560,263.50, 840,402.57 and 186,286.50

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Solution

The fourth proportional to 560,263.50, 840,402.57 and 186,286.50 is: 279,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,263.50 : 840,402.57 = 186,286.50 : x
  2. Step 2: Convert to fraction form
    560,263.50/840,402.57 = 186,286.50/x
  3. Step 3: Cross multiply
    560,263.50x = 840,402.57 × 186,286.50
  4. Step 4: Simplify right side
    560,263.50x = 156,555,653,356.31
  5. Step 5: Solve for x
    x = 156,555,653,356.31/560,263.50
  6. Step 6: Final answer
    x = 279,432.18

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1.5x scale

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.