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Finding the Fourth Proportional to 310,813.67, 466,399.23 and 130,884.89

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Solution

The fourth proportional to 310,813.67, 466,399.23 and 130,884.89 is: 196,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,813.67 : 466,399.23 = 130,884.89 : x
  2. Step 2: Convert to fraction form
    310,813.67/466,399.23 = 130,884.89/x
  3. Step 3: Cross multiply
    310,813.67x = 466,399.23 × 130,884.89
  4. Step 4: Simplify right side
    310,813.67x = 61,044,611,260.21
  5. Step 5: Solve for x
    x = 61,044,611,260.21/310,813.67
  6. Step 6: Final answer
    x = 196,402.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.