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Finding the Fourth Proportional to 358,889.64, 495,271.80 and 197,740.44

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Solution

The fourth proportional to 358,889.64, 495,271.80 and 197,740.44 is: 272,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,889.64 : 495,271.80 = 197,740.44 : x
  2. Step 2: Convert to fraction form
    358,889.64/495,271.80 = 197,740.44/x
  3. Step 3: Cross multiply
    358,889.64x = 495,271.80 × 197,740.44
  4. Step 4: Simplify right side
    358,889.64x = 97,935,263,651.59
  5. Step 5: Solve for x
    x = 97,935,263,651.59/358,889.64
  6. Step 6: Final answer
    x = 272,884.06

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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.