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Finding the Fourth Proportional to 384,493.54, 526,747.36 and 370,118.06

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Solution

The fourth proportional to 384,493.54, 526,747.36 and 370,118.06 is: 507,053.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,493.54 : 526,747.36 = 370,118.06 : x
  2. Step 2: Convert to fraction form
    384,493.54/526,747.36 = 370,118.06/x
  3. Step 3: Cross multiply
    384,493.54x = 526,747.36 × 370,118.06
  4. Step 4: Simplify right side
    384,493.54x = 194,958,710,993.32
  5. Step 5: Solve for x
    x = 194,958,710,993.32/384,493.54
  6. Step 6: Final answer
    x = 507,053.28

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.