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Finding the Fourth Proportional to 558,447.04, 837,352 and 381,168.64

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Solution

The fourth proportional to 558,447.04, 837,352 and 381,168.64 is: 571,535.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,447.04 : 837,352 = 381,168.64 : x
  2. Step 2: Convert to fraction form
    558,447.04/837,352 = 381,168.64/x
  3. Step 3: Cross multiply
    558,447.04x = 837,352 × 381,168.64
  4. Step 4: Simplify right side
    558,447.04x = 319,172,323,041.28
  5. Step 5: Solve for x
    x = 319,172,323,041.28/558,447.04
  6. Step 6: Final answer
    x = 571,535.53

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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.