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Finding the Fourth Proportional to 304,316.60, 419,969.25 and 168,348.20

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Solution

The fourth proportional to 304,316.60, 419,969.25 and 168,348.20 is: 232,327.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,316.60 : 419,969.25 = 168,348.20 : x
  2. Step 2: Convert to fraction form
    304,316.60/419,969.25 = 168,348.20/x
  3. Step 3: Cross multiply
    304,316.60x = 419,969.25 × 168,348.20
  4. Step 4: Simplify right side
    304,316.60x = 70,701,065,193.00
  5. Step 5: Solve for x
    x = 70,701,065,193.00/304,316.60
  6. Step 6: Final answer
    x = 232,327.34

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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.