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Finding the Fourth Proportional to 557,336.30, 836,004.45 and 401,038.70

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Solution

The fourth proportional to 557,336.30, 836,004.45 and 401,038.70 is: 601,558.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,336.30 : 836,004.45 = 401,038.70 : x
  2. Step 2: Convert to fraction form
    557,336.30/836,004.45 = 401,038.70/x
  3. Step 3: Cross multiply
    557,336.30x = 836,004.45 × 401,038.70
  4. Step 4: Simplify right side
    557,336.30x = 335,270,137,822.22
  5. Step 5: Solve for x
    x = 335,270,137,822.22/557,336.30
  6. Step 6: Final answer
    x = 601,558.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.