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Finding the Fourth Proportional to 440,017.32, 660,303.64 and 187,297.41

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Solution

The fourth proportional to 440,017.32, 660,303.64 and 187,297.41 is: 281,064.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,017.32 : 660,303.64 = 187,297.41 : x
  2. Step 2: Convert to fraction form
    440,017.32/660,303.64 = 187,297.41/x
  3. Step 3: Cross multiply
    440,017.32x = 660,303.64 × 187,297.41
  4. Step 4: Simplify right side
    440,017.32x = 123,673,163,867.83
  5. Step 5: Solve for x
    x = 123,673,163,867.83/440,017.32
  6. Step 6: Final answer
    x = 281,064.31

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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.