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Finding the Fourth Proportional to 358,775.58, 495,108 and 197,626.89

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Solution

The fourth proportional to 358,775.58, 495,108 and 197,626.89 is: 272,723.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,775.58 : 495,108 = 197,626.89 : x
  2. Step 2: Convert to fraction form
    358,775.58/495,108 = 197,626.89/x
  3. Step 3: Cross multiply
    358,775.58x = 495,108 × 197,626.89
  4. Step 4: Simplify right side
    358,775.58x = 97,846,654,254.12
  5. Step 5: Solve for x
    x = 97,846,654,254.12/358,775.58
  6. Step 6: Final answer
    x = 272,723.84

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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.