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Finding the Fourth Proportional to 426,573.47, 588,674.89 and 235,590.05

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Solution

The fourth proportional to 426,573.47, 588,674.89 and 235,590.05 is: 325,116.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,573.47 : 588,674.89 = 235,590.05 : x
  2. Step 2: Convert to fraction form
    426,573.47/588,674.89 = 235,590.05/x
  3. Step 3: Cross multiply
    426,573.47x = 588,674.89 × 235,590.05
  4. Step 4: Simplify right side
    426,573.47x = 138,685,948,535.02
  5. Step 5: Solve for x
    x = 138,685,948,535.02/426,573.47
  6. Step 6: Final answer
    x = 325,116.21

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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.