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Finding the Fourth Proportional to 558,508.40, 837,762.60 and 401,044.40

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Solution

The fourth proportional to 558,508.40, 837,762.60 and 401,044.40 is: 601,566.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,508.40 : 837,762.60 = 401,044.40 : x
  2. Step 2: Convert to fraction form
    558,508.40/837,762.60 = 401,044.40/x
  3. Step 3: Cross multiply
    558,508.40x = 837,762.60 × 401,044.40
  4. Step 4: Simplify right side
    558,508.40x = 335,979,999,259.44
  5. Step 5: Solve for x
    x = 335,979,999,259.44/558,508.40
  6. Step 6: Final answer
    x = 601,566.60

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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.