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Finding the Fourth Proportional to 632,881.35, 873,374.81 and 346,398.93

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Solution

The fourth proportional to 632,881.35, 873,374.81 and 346,398.93 is: 478,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,881.35 : 873,374.81 = 346,398.93 : x
  2. Step 2: Convert to fraction form
    632,881.35/873,374.81 = 346,398.93/x
  3. Step 3: Cross multiply
    632,881.35x = 873,374.81 × 346,398.93
  4. Step 4: Simplify right side
    632,881.35x = 302,536,097,940.96
  5. Step 5: Solve for x
    x = 302,536,097,940.96/632,881.35
  6. Step 6: Final answer
    x = 478,029.73

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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.