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Finding the Fourth Proportional to 478,632.77, 660,527.06 and 263,786.67

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Solution

The fourth proportional to 478,632.77, 660,527.06 and 263,786.67 is: 364,033.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,632.77 : 660,527.06 = 263,786.67 : x
  2. Step 2: Convert to fraction form
    478,632.77/660,527.06 = 263,786.67/x
  3. Step 3: Cross multiply
    478,632.77x = 660,527.06 × 263,786.67
  4. Step 4: Simplify right side
    478,632.77x = 174,238,232,283.36
  5. Step 5: Solve for x
    x = 174,238,232,283.36/478,632.77
  6. Step 6: Final answer
    x = 364,033.23

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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.