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Finding the Fourth Proportional to 291,444.58, 436,486.47 and 224,352.34

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Solution

The fourth proportional to 291,444.58, 436,486.47 and 224,352.34 is: 336,004.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,444.58 : 436,486.47 = 224,352.34 : x
  2. Step 2: Convert to fraction form
    291,444.58/436,486.47 = 224,352.34/x
  3. Step 3: Cross multiply
    291,444.58x = 436,486.47 × 224,352.34
  4. Step 4: Simplify right side
    291,444.58x = 97,926,760,922.84
  5. Step 5: Solve for x
    x = 97,926,760,922.84/291,444.58
  6. Step 6: Final answer
    x = 336,004.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.