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Finding the Fourth Proportional to 296,848.98, 409,373.73 and 189,488.34

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Solution

The fourth proportional to 296,848.98, 409,373.73 and 189,488.34 is: 261,316.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,848.98 : 409,373.73 = 189,488.34 : x
  2. Step 2: Convert to fraction form
    296,848.98/409,373.73 = 189,488.34/x
  3. Step 3: Cross multiply
    296,848.98x = 409,373.73 × 189,488.34
  4. Step 4: Simplify right side
    296,848.98x = 77,571,548,537.31
  5. Step 5: Solve for x
    x = 77,571,548,537.31/296,848.98
  6. Step 6: Final answer
    x = 261,316.54

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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.