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Finding the Fourth Proportional to 218,047.60, 304,566.80 and 218,047.60

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Solution

The fourth proportional to 218,047.60, 304,566.80 and 218,047.60 is: 304,566.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,047.60 : 304,566.80 = 218,047.60 : x
  2. Step 2: Convert to fraction form
    218,047.60/304,566.80 = 218,047.60/x
  3. Step 3: Cross multiply
    218,047.60x = 304,566.80 × 218,047.60
  4. Step 4: Simplify right side
    218,047.60x = 66,410,059,779.68
  5. Step 5: Solve for x
    x = 66,410,059,779.68/218,047.60
  6. Step 6: Final answer
    x = 304,566.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.