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Finding the Fourth Proportional to 604,430.64, 834,021.78 and 349,732.62

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Solution

The fourth proportional to 604,430.64, 834,021.78 and 349,732.62 is: 482,577.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,430.64 : 834,021.78 = 349,732.62 : x
  2. Step 2: Convert to fraction form
    604,430.64/834,021.78 = 349,732.62/x
  3. Step 3: Cross multiply
    604,430.64x = 834,021.78 × 349,732.62
  4. Step 4: Simplify right side
    604,430.64x = 291,684,622,256.46
  5. Step 5: Solve for x
    x = 291,684,622,256.46/604,430.64
  6. Step 6: Final answer
    x = 482,577.49

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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.