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Finding the Fourth Proportional to 344,075.31, 474,861.15 and 208,184.20

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Solution

The fourth proportional to 344,075.31, 474,861.15 and 208,184.20 is: 287,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,075.31 : 474,861.15 = 208,184.20 : x
  2. Step 2: Convert to fraction form
    344,075.31/474,861.15 = 208,184.20/x
  3. Step 3: Cross multiply
    344,075.31x = 474,861.15 × 208,184.20
  4. Step 4: Simplify right side
    344,075.31x = 98,858,587,436.68
  5. Step 5: Solve for x
    x = 98,858,587,436.68/344,075.31
  6. Step 6: Final answer
    x = 287,316.71

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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.