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Finding the Fourth Proportional to 468,205.20, 702,307.80 and 374,893.20

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Solution

The fourth proportional to 468,205.20, 702,307.80 and 374,893.20 is: 562,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,205.20 : 702,307.80 = 374,893.20 : x
  2. Step 2: Convert to fraction form
    468,205.20/702,307.80 = 374,893.20/x
  3. Step 3: Cross multiply
    468,205.20x = 702,307.80 × 374,893.20
  4. Step 4: Simplify right side
    468,205.20x = 263,290,418,526.96
  5. Step 5: Solve for x
    x = 263,290,418,526.96/468,205.20
  6. Step 6: Final answer
    x = 562,339.80

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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.