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Finding the Fourth Proportional to 338,444.83, 507,168.75 and 188,479.03

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Solution

The fourth proportional to 338,444.83, 507,168.75 and 188,479.03 is: 282,440.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,444.83 : 507,168.75 = 188,479.03 : x
  2. Step 2: Convert to fraction form
    338,444.83/507,168.75 = 188,479.03/x
  3. Step 3: Cross multiply
    338,444.83x = 507,168.75 × 188,479.03
  4. Step 4: Simplify right side
    338,444.83x = 95,590,674,046.31
  5. Step 5: Solve for x
    x = 95,590,674,046.31/338,444.83
  6. Step 6: Final answer
    x = 282,440.93

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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.