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Finding the Fourth Proportional to 606,838.30, 837,408.48 and 348,533.55

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Solution

The fourth proportional to 606,838.30, 837,408.48 and 348,533.55 is: 480,960.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,838.30 : 837,408.48 = 348,533.55 : x
  2. Step 2: Convert to fraction form
    606,838.30/837,408.48 = 348,533.55/x
  3. Step 3: Cross multiply
    606,838.30x = 837,408.48 × 348,533.55
  4. Step 4: Simplify right side
    606,838.30x = 291,864,949,027.50
  5. Step 5: Solve for x
    x = 291,864,949,027.50/606,838.30
  6. Step 6: Final answer
    x = 480,960.00

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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.