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Finding the Fourth Proportional to 619,050.58, 928,838.32 and 338,239.78

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Solution

The fourth proportional to 619,050.58, 928,838.32 and 338,239.78 is: 507,503.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,050.58 : 928,838.32 = 338,239.78 : x
  2. Step 2: Convert to fraction form
    619,050.58/928,838.32 = 338,239.78/x
  3. Step 3: Cross multiply
    619,050.58x = 928,838.32 × 338,239.78
  4. Step 4: Simplify right side
    619,050.58x = 314,170,069,012.37
  5. Step 5: Solve for x
    x = 314,170,069,012.37/619,050.58
  6. Step 6: Final answer
    x = 507,503.07

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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.