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Finding the Fourth Proportional to 310,555.90, 465,943.20 and 152,895.07

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Solution

The fourth proportional to 310,555.90, 465,943.20 and 152,895.07 is: 229,396.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,555.90 : 465,943.20 = 152,895.07 : x
  2. Step 2: Convert to fraction form
    310,555.90/465,943.20 = 152,895.07/x
  3. Step 3: Cross multiply
    310,555.90x = 465,943.20 × 152,895.07
  4. Step 4: Simplify right side
    310,555.90x = 71,240,417,093.64
  5. Step 5: Solve for x
    x = 71,240,417,093.64/310,555.90
  6. Step 6: Final answer
    x = 229,396.44

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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.