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Finding the Fourth Proportional to 358,939.32, 495,339.58 and 197,800.14

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Solution

The fourth proportional to 358,939.32, 495,339.58 and 197,800.14 is: 272,966.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,939.32 : 495,339.58 = 197,800.14 : x
  2. Step 2: Convert to fraction form
    358,939.32/495,339.58 = 197,800.14/x
  3. Step 3: Cross multiply
    358,939.32x = 495,339.58 × 197,800.14
  4. Step 4: Simplify right side
    358,939.32x = 97,978,238,271.54
  5. Step 5: Solve for x
    x = 97,978,238,271.54/358,939.32
  6. Step 6: Final answer
    x = 272,966.02

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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.