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Finding the Fourth Proportional to 333,638.62, 460,454.40 and 190,420.36

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Solution

The fourth proportional to 333,638.62, 460,454.40 and 190,420.36 is: 262,798.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,638.62 : 460,454.40 = 190,420.36 : x
  2. Step 2: Convert to fraction form
    333,638.62/460,454.40 = 190,420.36/x
  3. Step 3: Cross multiply
    333,638.62x = 460,454.40 × 190,420.36
  4. Step 4: Simplify right side
    333,638.62x = 87,679,892,611.58
  5. Step 5: Solve for x
    x = 87,679,892,611.58/333,638.62
  6. Step 6: Final answer
    x = 262,798.99

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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.