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Finding the Fourth Proportional to 549,298.32, 822,978.44 and 481,069.04

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Solution

The fourth proportional to 549,298.32, 822,978.44 and 481,069.04 is: 720,754.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,298.32 : 822,978.44 = 481,069.04 : x
  2. Step 2: Convert to fraction form
    549,298.32/822,978.44 = 481,069.04/x
  3. Step 3: Cross multiply
    549,298.32x = 822,978.44 × 481,069.04
  4. Step 4: Simplify right side
    549,298.32x = 395,909,448,071.50
  5. Step 5: Solve for x
    x = 395,909,448,071.50/549,298.32
  6. Step 6: Final answer
    x = 720,754.89

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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.