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Finding the Fourth Proportional to 357,783.44, 536,674.24 and 91,543.54

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Solution

The fourth proportional to 357,783.44, 536,674.24 and 91,543.54 is: 137,315.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,783.44 : 536,674.24 = 91,543.54 : x
  2. Step 2: Convert to fraction form
    357,783.44/536,674.24 = 91,543.54/x
  3. Step 3: Cross multiply
    357,783.44x = 536,674.24 × 91,543.54
  4. Step 4: Simplify right side
    357,783.44x = 49,129,059,756.41
  5. Step 5: Solve for x
    x = 49,129,059,756.41/357,783.44
  6. Step 6: Final answer
    x = 137,315.07

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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.