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Finding the Fourth Proportional to 426,872.71, 589,084.54 and 235,886.10

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Solution

The fourth proportional to 426,872.71, 589,084.54 and 235,886.10 is: 325,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,872.71 : 589,084.54 = 235,886.10 : x
  2. Step 2: Convert to fraction form
    426,872.71/589,084.54 = 235,886.10/x
  3. Step 3: Cross multiply
    426,872.71x = 589,084.54 × 235,886.10
  4. Step 4: Simplify right side
    426,872.71x = 138,956,851,765.47
  5. Step 5: Solve for x
    x = 138,956,851,765.47/426,872.71
  6. Step 6: Final answer
    x = 325,522.93

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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.