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Finding the Fourth Proportional to 439,133.63, 606,004.81 and 237,929.63

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Solution

The fourth proportional to 439,133.63, 606,004.81 and 237,929.63 is: 328,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,133.63 : 606,004.81 = 237,929.63 : x
  2. Step 2: Convert to fraction form
    439,133.63/606,004.81 = 237,929.63/x
  3. Step 3: Cross multiply
    439,133.63x = 606,004.81 × 237,929.63
  4. Step 4: Simplify right side
    439,133.63x = 144,186,496,596.67
  5. Step 5: Solve for x
    x = 144,186,496,596.67/439,133.63
  6. Step 6: Final answer
    x = 328,343.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.