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Finding the Fourth Proportional to 619,697.46, 927,200.42 and 367,113.54

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Solution

The fourth proportional to 619,697.46, 927,200.42 and 367,113.54 is: 549,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,697.46 : 927,200.42 = 367,113.54 : x
  2. Step 2: Convert to fraction form
    619,697.46/927,200.42 = 367,113.54/x
  3. Step 3: Cross multiply
    619,697.46x = 927,200.42 × 367,113.54
  4. Step 4: Simplify right side
    619,697.46x = 340,387,828,475.69
  5. Step 5: Solve for x
    x = 340,387,828,475.69/619,697.46
  6. Step 6: Final answer
    x = 549,280.66

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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.