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Finding the Fourth Proportional to 358,709.46, 495,022.20 and 197,570.08

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Solution

The fourth proportional to 358,709.46, 495,022.20 and 197,570.08 is: 272,648.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,709.46 : 495,022.20 = 197,570.08 : x
  2. Step 2: Convert to fraction form
    358,709.46/495,022.20 = 197,570.08/x
  3. Step 3: Cross multiply
    358,709.46x = 495,022.20 × 197,570.08
  4. Step 4: Simplify right side
    358,709.46x = 97,801,575,655.78
  5. Step 5: Solve for x
    x = 97,801,575,655.78/358,709.46
  6. Step 6: Final answer
    x = 272,648.44

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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.