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Finding the Fourth Proportional to 348,280.86, 521,750.60 and 295,559.58

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Solution

The fourth proportional to 348,280.86, 521,750.60 and 295,559.58 is: 442,770.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,280.86 : 521,750.60 = 295,559.58 : x
  2. Step 2: Convert to fraction form
    348,280.86/521,750.60 = 295,559.58/x
  3. Step 3: Cross multiply
    348,280.86x = 521,750.60 × 295,559.58
  4. Step 4: Simplify right side
    348,280.86x = 154,208,388,200.75
  5. Step 5: Solve for x
    x = 154,208,388,200.75/348,280.86
  6. Step 6: Final answer
    x = 442,770.21

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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.