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Finding the Fourth Proportional to 426,897.91, 589,095.92 and 235,899

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Solution

The fourth proportional to 426,897.91, 589,095.92 and 235,899 is: 325,527.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,897.91 : 589,095.92 = 235,899 : x
  2. Step 2: Convert to fraction form
    426,897.91/589,095.92 = 235,899/x
  3. Step 3: Cross multiply
    426,897.91x = 589,095.92 × 235,899
  4. Step 4: Simplify right side
    426,897.91x = 138,967,139,021.83
  5. Step 5: Solve for x
    x = 138,967,139,021.83/426,897.91
  6. Step 6: Final answer
    x = 325,527.80

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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.