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Finding the Fourth Proportional to 838,684.44, 1,157,398.32 and 476,119

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Solution

The fourth proportional to 838,684.44, 1,157,398.32 and 476,119 is: 657,052.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,684.44 : 1,157,398.32 = 476,119 : x
  2. Step 2: Convert to fraction form
    838,684.44/1,157,398.32 = 476,119/x
  3. Step 3: Cross multiply
    838,684.44x = 1,157,398.32 × 476,119
  4. Step 4: Simplify right side
    838,684.44x = 551,059,330,720.08
  5. Step 5: Solve for x
    x = 551,059,330,720.08/838,684.44
  6. Step 6: Final answer
    x = 657,052.05

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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.