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Finding the Fourth Proportional to 605,457.19, 907,870.43 and 226,065.91

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Solution

The fourth proportional to 605,457.19, 907,870.43 and 226,065.91 is: 338,981.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,457.19 : 907,870.43 = 226,065.91 : x
  2. Step 2: Convert to fraction form
    605,457.19/907,870.43 = 226,065.91/x
  3. Step 3: Cross multiply
    605,457.19x = 907,870.43 × 226,065.91
  4. Step 4: Simplify right side
    605,457.19x = 205,238,549,250.36
  5. Step 5: Solve for x
    x = 205,238,549,250.36/605,457.19
  6. Step 6: Final answer
    x = 338,981.11

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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.