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Finding the Fourth Proportional to 426,812.70, 589,000.31 and 235,824.72

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Solution

The fourth proportional to 426,812.70, 589,000.31 and 235,824.72 is: 325,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,812.70 : 589,000.31 = 235,824.72 : x
  2. Step 2: Convert to fraction form
    426,812.70/589,000.31 = 235,824.72/x
  3. Step 3: Cross multiply
    426,812.70x = 589,000.31 × 235,824.72
  4. Step 4: Simplify right side
    426,812.70x = 138,900,833,185.66
  5. Step 5: Solve for x
    x = 138,900,833,185.66/426,812.70
  6. Step 6: Final answer
    x = 325,437.44

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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.