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Finding the Fourth Proportional to 633,181.15, 873,781.32 and 346,701.26

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Solution

The fourth proportional to 633,181.15, 873,781.32 and 346,701.26 is: 478,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,181.15 : 873,781.32 = 346,701.26 : x
  2. Step 2: Convert to fraction form
    633,181.15/873,781.32 = 346,701.26/x
  3. Step 3: Cross multiply
    633,181.15x = 873,781.32 × 346,701.26
  4. Step 4: Simplify right side
    633,181.15x = 302,941,088,093.05
  5. Step 5: Solve for x
    x = 302,941,088,093.05/633,181.15
  6. Step 6: Final answer
    x = 478,443.00

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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.