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Finding the Fourth Proportional to 358,607.03, 494,881.02 and 197,465.76

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Solution

The fourth proportional to 358,607.03, 494,881.02 and 197,465.76 is: 272,504.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,607.03 : 494,881.02 = 197,465.76 : x
  2. Step 2: Convert to fraction form
    358,607.03/494,881.02 = 197,465.76/x
  3. Step 3: Cross multiply
    358,607.03x = 494,881.02 × 197,465.76
  4. Step 4: Simplify right side
    358,607.03x = 97,722,056,723.88
  5. Step 5: Solve for x
    x = 97,722,056,723.88/358,607.03
  6. Step 6: Final answer
    x = 272,504.58

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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.