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Finding the Fourth Proportional to 553,587.52, 827,348.16 and 404,142.48

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Solution

The fourth proportional to 553,587.52, 827,348.16 and 404,142.48 is: 603,999.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,587.52 : 827,348.16 = 404,142.48 : x
  2. Step 2: Convert to fraction form
    553,587.52/827,348.16 = 404,142.48/x
  3. Step 3: Cross multiply
    553,587.52x = 827,348.16 × 404,142.48
  4. Step 4: Simplify right side
    553,587.52x = 334,366,537,205.84
  5. Step 5: Solve for x
    x = 334,366,537,205.84/553,587.52
  6. Step 6: Final answer
    x = 603,999.41

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.