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Finding the Fourth Proportional to 604,781.64, 834,632.91 and 346,701.33

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Solution

The fourth proportional to 604,781.64, 834,632.91 and 346,701.33 is: 478,467.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,781.64 : 834,632.91 = 346,701.33 : x
  2. Step 2: Convert to fraction form
    604,781.64/834,632.91 = 346,701.33/x
  3. Step 3: Cross multiply
    604,781.64x = 834,632.91 × 346,701.33
  4. Step 4: Simplify right side
    604,781.64x = 289,368,339,958.77
  5. Step 5: Solve for x
    x = 289,368,339,958.77/604,781.64
  6. Step 6: Final answer
    x = 478,467.47

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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.