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Finding the Fourth Proportional to 306,884.40, 460,326.60 and 96,586.80

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Solution

The fourth proportional to 306,884.40, 460,326.60 and 96,586.80 is: 144,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,884.40 : 460,326.60 = 96,586.80 : x
  2. Step 2: Convert to fraction form
    306,884.40/460,326.60 = 96,586.80/x
  3. Step 3: Cross multiply
    306,884.40x = 460,326.60 × 96,586.80
  4. Step 4: Simplify right side
    306,884.40x = 44,461,473,248.88
  5. Step 5: Solve for x
    x = 44,461,473,248.88/306,884.40
  6. Step 6: Final answer
    x = 144,880.20

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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.