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Finding the Fourth Proportional to 306,726.80, 460,090.20 and 96,364.40

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Solution

The fourth proportional to 306,726.80, 460,090.20 and 96,364.40 is: 144,546.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,726.80 : 460,090.20 = 96,364.40 : x
  2. Step 2: Convert to fraction form
    306,726.80/460,090.20 = 96,364.40/x
  3. Step 3: Cross multiply
    306,726.80x = 460,090.20 × 96,364.40
  4. Step 4: Simplify right side
    306,726.80x = 44,336,316,068.88
  5. Step 5: Solve for x
    x = 44,336,316,068.88/306,726.80
  6. Step 6: Final answer
    x = 144,546.60

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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.