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Finding the Fourth Proportional to 608,290.48, 912,566.10 and 181,859.68

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Solution

The fourth proportional to 608,290.48, 912,566.10 and 181,859.68 is: 272,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,290.48 : 912,566.10 = 181,859.68 : x
  2. Step 2: Convert to fraction form
    608,290.48/912,566.10 = 181,859.68/x
  3. Step 3: Cross multiply
    608,290.48x = 912,566.10 × 181,859.68
  4. Step 4: Simplify right side
    608,290.48x = 165,958,978,924.85
  5. Step 5: Solve for x
    x = 165,958,978,924.85/608,290.48
  6. Step 6: Final answer
    x = 272,828.50

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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.