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Finding the Fourth Proportional to 344,325.72, 475,169 and 191,359.10

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Solution

The fourth proportional to 344,325.72, 475,169 and 191,359.10 is: 264,075.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,325.72 : 475,169 = 191,359.10 : x
  2. Step 2: Convert to fraction form
    344,325.72/475,169 = 191,359.10/x
  3. Step 3: Cross multiply
    344,325.72x = 475,169 × 191,359.10
  4. Step 4: Simplify right side
    344,325.72x = 90,927,912,187.90
  5. Step 5: Solve for x
    x = 90,927,912,187.90/344,325.72
  6. Step 6: Final answer
    x = 264,075.28

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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.