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Finding the Fourth Proportional to 479,202.90, 717,308.55 and 352,985.46

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Solution

The fourth proportional to 479,202.90, 717,308.55 and 352,985.46 is: 528,376.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,202.90 : 717,308.55 = 352,985.46 : x
  2. Step 2: Convert to fraction form
    479,202.90/717,308.55 = 352,985.46/x
  3. Step 3: Cross multiply
    479,202.90x = 717,308.55 × 352,985.46
  4. Step 4: Simplify right side
    479,202.90x = 253,199,488,483.68
  5. Step 5: Solve for x
    x = 253,199,488,483.68/479,202.90
  6. Step 6: Final answer
    x = 528,376.37

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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.