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Finding the Fourth Proportional to 440,303.22, 660,536.84 and 140,859.18

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Solution

The fourth proportional to 440,303.22, 660,536.84 and 140,859.18 is: 211,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,303.22 : 660,536.84 = 140,859.18 : x
  2. Step 2: Convert to fraction form
    440,303.22/660,536.84 = 140,859.18/x
  3. Step 3: Cross multiply
    440,303.22x = 660,536.84 × 140,859.18
  4. Step 4: Simplify right side
    440,303.22x = 93,042,677,642.19
  5. Step 5: Solve for x
    x = 93,042,677,642.19/440,303.22
  6. Step 6: Final answer
    x = 211,315.01

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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.