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Finding the Fourth Proportional to 333,887.45, 460,713.71 and 188,640.23

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Solution

The fourth proportional to 333,887.45, 460,713.71 and 188,640.23 is: 260,294.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,887.45 : 460,713.71 = 188,640.23 : x
  2. Step 2: Convert to fraction form
    333,887.45/460,713.71 = 188,640.23/x
  3. Step 3: Cross multiply
    333,887.45x = 460,713.71 × 188,640.23
  4. Step 4: Simplify right side
    333,887.45x = 86,909,140,218.55
  5. Step 5: Solve for x
    x = 86,909,140,218.55/333,887.45
  6. Step 6: Final answer
    x = 260,294.72

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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.