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Finding the Fourth Proportional to 358,687.08, 495,000.86 and 197,554.40

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Solution

The fourth proportional to 358,687.08, 495,000.86 and 197,554.40 is: 272,632.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,687.08 : 495,000.86 = 197,554.40 : x
  2. Step 2: Convert to fraction form
    358,687.08/495,000.86 = 197,554.40/x
  3. Step 3: Cross multiply
    358,687.08x = 495,000.86 × 197,554.40
  4. Step 4: Simplify right side
    358,687.08x = 97,789,594,434.01
  5. Step 5: Solve for x
    x = 97,789,594,434.01/358,687.08
  6. Step 6: Final answer
    x = 272,632.05

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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.