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Finding the Fourth Proportional to 358,307.24, 494,475.72 and 197,173.94

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Solution

The fourth proportional to 358,307.24, 494,475.72 and 197,173.94 is: 272,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,307.24 : 494,475.72 = 197,173.94 : x
  2. Step 2: Convert to fraction form
    358,307.24/494,475.72 = 197,173.94/x
  3. Step 3: Cross multiply
    358,307.24x = 494,475.72 × 197,173.94
  4. Step 4: Simplify right side
    358,307.24x = 97,497,725,946.74
  5. Step 5: Solve for x
    x = 97,497,725,946.74/358,307.24
  6. Step 6: Final answer
    x = 272,106.49

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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.