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Finding the Fourth Proportional to 358,846.08, 495,205.28 and 197,697.40

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Solution

The fourth proportional to 358,846.08, 495,205.28 and 197,697.40 is: 272,821.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,846.08 : 495,205.28 = 197,697.40 : x
  2. Step 2: Convert to fraction form
    358,846.08/495,205.28 = 197,697.40/x
  3. Step 3: Cross multiply
    358,846.08x = 495,205.28 × 197,697.40
  4. Step 4: Simplify right side
    358,846.08x = 97,900,796,322.27
  5. Step 5: Solve for x
    x = 97,900,796,322.27/358,846.08
  6. Step 6: Final answer
    x = 272,821.14

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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.