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Finding the Fourth Proportional to 468,194.80, 646,107.18 and 253,333.90

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Solution

The fourth proportional to 468,194.80, 646,107.18 and 253,333.90 is: 349,599.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,194.80 : 646,107.18 = 253,333.90 : x
  2. Step 2: Convert to fraction form
    468,194.80/646,107.18 = 253,333.90/x
  3. Step 3: Cross multiply
    468,194.80x = 646,107.18 × 253,333.90
  4. Step 4: Simplify right side
    468,194.80x = 163,680,851,727.40
  5. Step 5: Solve for x
    x = 163,680,851,727.40/468,194.80
  6. Step 6: Final answer
    x = 349,599.89

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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.