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Finding the Fourth Proportional to 333,685.17, 460,485 and 190,490.13

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Solution

The fourth proportional to 333,685.17, 460,485 and 190,490.13 is: 262,876.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,685.17 : 460,485 = 190,490.13 : x
  2. Step 2: Convert to fraction form
    333,685.17/460,485 = 190,490.13/x
  3. Step 3: Cross multiply
    333,685.17x = 460,485 × 190,490.13
  4. Step 4: Simplify right side
    333,685.17x = 87,717,847,513.05
  5. Step 5: Solve for x
    x = 87,717,847,513.05/333,685.17
  6. Step 6: Final answer
    x = 262,876.07

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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.