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Finding the Fourth Proportional to 354,014.83, 488,537.76 and 192,869.38

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Solution

The fourth proportional to 354,014.83, 488,537.76 and 192,869.38 is: 266,158.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,014.83 : 488,537.76 = 192,869.38 : x
  2. Step 2: Convert to fraction form
    354,014.83/488,537.76 = 192,869.38/x
  3. Step 3: Cross multiply
    354,014.83x = 488,537.76 × 192,869.38
  4. Step 4: Simplify right side
    354,014.83x = 94,223,974,877.79
  5. Step 5: Solve for x
    x = 94,223,974,877.79/354,014.83
  6. Step 6: Final answer
    x = 266,158.27

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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.