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Finding the Fourth Proportional to 359,496.11, 496,284.40 and 223,573.84

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Solution

The fourth proportional to 359,496.11, 496,284.40 and 223,573.84 is: 308,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,496.11 : 496,284.40 = 223,573.84 : x
  2. Step 2: Convert to fraction form
    359,496.11/496,284.40 = 223,573.84/x
  3. Step 3: Cross multiply
    359,496.11x = 496,284.40 × 223,573.84
  4. Step 4: Simplify right side
    359,496.11x = 110,956,209,040.10
  5. Step 5: Solve for x
    x = 110,956,209,040.10/359,496.11
  6. Step 6: Final answer
    x = 308,643.70

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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.