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Finding the Fourth Proportional to 358,383.96, 494,603.01 and 197,271.72

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Solution

The fourth proportional to 358,383.96, 494,603.01 and 197,271.72 is: 272,253.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,383.96 : 494,603.01 = 197,271.72 : x
  2. Step 2: Convert to fraction form
    358,383.96/494,603.01 = 197,271.72/x
  3. Step 3: Cross multiply
    358,383.96x = 494,603.01 × 197,271.72
  4. Step 4: Simplify right side
    358,383.96x = 97,571,186,499.88
  5. Step 5: Solve for x
    x = 97,571,186,499.88/358,383.96
  6. Step 6: Final answer
    x = 272,253.22

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1.5x scale

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.