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Finding the Fourth Proportional to 706,094.78, 974,386.92 and 404,230.46

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Solution

The fourth proportional to 706,094.78, 974,386.92 and 404,230.46 is: 557,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,094.78 : 974,386.92 = 404,230.46 : x
  2. Step 2: Convert to fraction form
    706,094.78/974,386.92 = 404,230.46/x
  3. Step 3: Cross multiply
    706,094.78x = 974,386.92 × 404,230.46
  4. Step 4: Simplify right side
    706,094.78x = 393,876,872,889.58
  5. Step 5: Solve for x
    x = 393,876,872,889.58/706,094.78
  6. Step 6: Final answer
    x = 557,824.37

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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.