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Finding the Fourth Proportional to 631,847.08, 871,950.72 and 377,192.80

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Solution

The fourth proportional to 631,847.08, 871,950.72 and 377,192.80 is: 520,527.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,847.08 : 871,950.72 = 377,192.80 : x
  2. Step 2: Convert to fraction form
    631,847.08/871,950.72 = 377,192.80/x
  3. Step 3: Cross multiply
    631,847.08x = 871,950.72 × 377,192.80
  4. Step 4: Simplify right side
    631,847.08x = 328,893,533,538.82
  5. Step 5: Solve for x
    x = 328,893,533,538.82/631,847.08
  6. Step 6: Final answer
    x = 520,527.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.