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Finding the Fourth Proportional to 560,315.44, 840,720.21 and 294,011.74

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Solution

The fourth proportional to 560,315.44, 840,720.21 and 294,011.74 is: 441,147.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,315.44 : 840,720.21 = 294,011.74 : x
  2. Step 2: Convert to fraction form
    560,315.44/840,720.21 = 294,011.74/x
  3. Step 3: Cross multiply
    560,315.44x = 840,720.21 × 294,011.74
  4. Step 4: Simplify right side
    560,315.44x = 247,181,611,795.27
  5. Step 5: Solve for x
    x = 247,181,611,795.27/560,315.44
  6. Step 6: Final answer
    x = 441,147.24

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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.