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Finding the Fourth Proportional to 560,436.75, 840,662.46 and 186,459.75

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Solution

The fourth proportional to 560,436.75, 840,662.46 and 186,459.75 is: 279,692.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,436.75 : 840,662.46 = 186,459.75 : x
  2. Step 2: Convert to fraction form
    560,436.75/840,662.46 = 186,459.75/x
  3. Step 3: Cross multiply
    560,436.75x = 840,662.46 × 186,459.75
  4. Step 4: Simplify right side
    560,436.75x = 156,749,712,125.99
  5. Step 5: Solve for x
    x = 156,749,712,125.99/560,436.75
  6. Step 6: Final answer
    x = 279,692.07

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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.