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Finding the Fourth Proportional to 436,130.22, 601,771.50 and 254,807.13

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Solution

The fourth proportional to 436,130.22, 601,771.50 and 254,807.13 is: 351,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,130.22 : 601,771.50 = 254,807.13 : x
  2. Step 2: Convert to fraction form
    436,130.22/601,771.50 = 254,807.13/x
  3. Step 3: Cross multiply
    436,130.22x = 601,771.50 × 254,807.13
  4. Step 4: Simplify right side
    436,130.22x = 153,335,668,830.80
  5. Step 5: Solve for x
    x = 153,335,668,830.80/436,130.22
  6. Step 6: Final answer
    x = 351,582.31

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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.