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Finding the Fourth Proportional to 346,153.50, 477,699.12 and 195,250.50

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Solution

The fourth proportional to 346,153.50, 477,699.12 and 195,250.50 is: 269,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,153.50 : 477,699.12 = 195,250.50 : x
  2. Step 2: Convert to fraction form
    346,153.50/477,699.12 = 195,250.50/x
  3. Step 3: Cross multiply
    346,153.50x = 477,699.12 × 195,250.50
  4. Step 4: Simplify right side
    346,153.50x = 93,270,992,029.56
  5. Step 5: Solve for x
    x = 93,270,992,029.56/346,153.50
  6. Step 6: Final answer
    x = 269,449.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.