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Finding the Fourth Proportional to 649,525.46, 975,171.69 and 365,415.93

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Solution

The fourth proportional to 649,525.46, 975,171.69 and 365,415.93 is: 548,620.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,525.46 : 975,171.69 = 365,415.93 : x
  2. Step 2: Convert to fraction form
    649,525.46/975,171.69 = 365,415.93/x
  3. Step 3: Cross multiply
    649,525.46x = 975,171.69 × 365,415.93
  4. Step 4: Simplify right side
    649,525.46x = 356,343,270,011.02
  5. Step 5: Solve for x
    x = 356,343,270,011.02/649,525.46
  6. Step 6: Final answer
    x = 548,620.95

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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.