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Finding the Fourth Proportional to 412,683.84, 569,261.88 and 259,479.26

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Solution

The fourth proportional to 412,683.84, 569,261.88 and 259,479.26 is: 357,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,683.84 : 569,261.88 = 259,479.26 : x
  2. Step 2: Convert to fraction form
    412,683.84/569,261.88 = 259,479.26/x
  3. Step 3: Cross multiply
    412,683.84x = 569,261.88 × 259,479.26
  4. Step 4: Simplify right side
    412,683.84x = 147,711,651,368.61
  5. Step 5: Solve for x
    x = 147,711,651,368.61/412,683.84
  6. Step 6: Final answer
    x = 357,929.33

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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.