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Finding the Fourth Proportional to 560,416.40, 840,562.29 and 200,572.69

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Solution

The fourth proportional to 560,416.40, 840,562.29 and 200,572.69 is: 300,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,416.40 : 840,562.29 = 200,572.69 : x
  2. Step 2: Convert to fraction form
    560,416.40/840,562.29 = 200,572.69/x
  3. Step 3: Cross multiply
    560,416.40x = 840,562.29 × 200,572.69
  4. Step 4: Simplify right side
    560,416.40x = 168,593,839,617.86
  5. Step 5: Solve for x
    x = 168,593,839,617.86/560,416.40
  6. Step 6: Final answer
    x = 300,836.73

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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.