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Finding the Fourth Proportional to 594,968.03, 821,731.90 and 401,041.28

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Solution

The fourth proportional to 594,968.03, 821,731.90 and 401,041.28 is: 553,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,968.03 : 821,731.90 = 401,041.28 : x
  2. Step 2: Convert to fraction form
    594,968.03/821,731.90 = 401,041.28/x
  3. Step 3: Cross multiply
    594,968.03x = 821,731.90 × 401,041.28
  4. Step 4: Simplify right side
    594,968.03x = 329,548,409,911.34
  5. Step 5: Solve for x
    x = 329,548,409,911.34/594,968.03
  6. Step 6: Final answer
    x = 553,892.63

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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.