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Finding the Fourth Proportional to 359,611.88, 536,683.40 and 319,754.84

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Solution

The fourth proportional to 359,611.88, 536,683.40 and 319,754.84 is: 477,200.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,611.88 : 536,683.40 = 319,754.84 : x
  2. Step 2: Convert to fraction form
    359,611.88/536,683.40 = 319,754.84/x
  3. Step 3: Cross multiply
    359,611.88x = 536,683.40 × 319,754.84
  4. Step 4: Simplify right side
    359,611.88x = 171,607,114,697.66
  5. Step 5: Solve for x
    x = 171,607,114,697.66/359,611.88
  6. Step 6: Final answer
    x = 477,200.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.