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Finding the Fourth Proportional to 358,263.52, 494,403.60 and 197,115.04

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Solution

The fourth proportional to 358,263.52, 494,403.60 and 197,115.04 is: 272,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,263.52 : 494,403.60 = 197,115.04 : x
  2. Step 2: Convert to fraction form
    358,263.52/494,403.60 = 197,115.04/x
  3. Step 3: Cross multiply
    358,263.52x = 494,403.60 × 197,115.04
  4. Step 4: Simplify right side
    358,263.52x = 97,454,385,390.14
  5. Step 5: Solve for x
    x = 97,454,385,390.14/358,263.52
  6. Step 6: Final answer
    x = 272,018.72

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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.