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Finding the Fourth Proportional to 436,223.81, 601,742.98 and 254,897.21

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Solution

The fourth proportional to 436,223.81, 601,742.98 and 254,897.21 is: 351,614.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,223.81 : 601,742.98 = 254,897.21 : x
  2. Step 2: Convert to fraction form
    436,223.81/601,742.98 = 254,897.21/x
  3. Step 3: Cross multiply
    436,223.81x = 601,742.98 × 254,897.21
  4. Step 4: Simplify right side
    436,223.81x = 153,382,606,739.09
  5. Step 5: Solve for x
    x = 153,382,606,739.09/436,223.81
  6. Step 6: Final answer
    x = 351,614.48

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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.