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Finding the Fourth Proportional to 587,050.80, 879,539.40 and 365,175.60

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Solution

The fourth proportional to 587,050.80, 879,539.40 and 365,175.60 is: 547,118.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,050.80 : 879,539.40 = 365,175.60 : x
  2. Step 2: Convert to fraction form
    587,050.80/879,539.40 = 365,175.60/x
  3. Step 3: Cross multiply
    587,050.80x = 879,539.40 × 365,175.60
  4. Step 4: Simplify right side
    587,050.80x = 321,186,328,118.64
  5. Step 5: Solve for x
    x = 321,186,328,118.64/587,050.80
  6. Step 6: Final answer
    x = 547,118.46

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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.