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Finding the Fourth Proportional to 676,894.81, 934,115.01 and 370,983.34

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Solution

The fourth proportional to 676,894.81, 934,115.01 and 370,983.34 is: 511,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,894.81 : 934,115.01 = 370,983.34 : x
  2. Step 2: Convert to fraction form
    676,894.81/934,115.01 = 370,983.34/x
  3. Step 3: Cross multiply
    676,894.81x = 934,115.01 × 370,983.34
  4. Step 4: Simplify right side
    676,894.81x = 346,541,106,353.93
  5. Step 5: Solve for x
    x = 346,541,106,353.93/676,894.81
  6. Step 6: Final answer
    x = 511,957.10

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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.