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Finding the Fourth Proportional to 358,950.59, 495,355.08 and 197,811.41

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Solution

The fourth proportional to 358,950.59, 495,355.08 and 197,811.41 is: 272,981.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,950.59 : 495,355.08 = 197,811.41 : x
  2. Step 2: Convert to fraction form
    358,950.59/495,355.08 = 197,811.41/x
  3. Step 3: Cross multiply
    358,950.59x = 495,355.08 × 197,811.41
  4. Step 4: Simplify right side
    358,950.59x = 97,986,885,836.41
  5. Step 5: Solve for x
    x = 97,986,885,836.41/358,950.59
  6. Step 6: Final answer
    x = 272,981.55

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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.