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Finding the Fourth Proportional to 333,640.64, 460,457.20 and 190,422.32

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Solution

The fourth proportional to 333,640.64, 460,457.20 and 190,422.32 is: 262,801.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,640.64 : 460,457.20 = 190,422.32 : x
  2. Step 2: Convert to fraction form
    333,640.64/460,457.20 = 190,422.32/x
  3. Step 3: Cross multiply
    333,640.64x = 460,457.20 × 190,422.32
  4. Step 4: Simplify right side
    333,640.64x = 87,681,328,284.70
  5. Step 5: Solve for x
    x = 87,681,328,284.70/333,640.64
  6. Step 6: Final answer
    x = 262,801.70

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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.