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Finding the Fourth Proportional to 334,528.40, 501,112.20 and 207,779.60

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Solution

The fourth proportional to 334,528.40, 501,112.20 and 207,779.60 is: 311,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,528.40 : 501,112.20 = 207,779.60 : x
  2. Step 2: Convert to fraction form
    334,528.40/501,112.20 = 207,779.60/x
  3. Step 3: Cross multiply
    334,528.40x = 501,112.20 × 207,779.60
  4. Step 4: Simplify right side
    334,528.40x = 104,120,892,471.12
  5. Step 5: Solve for x
    x = 104,120,892,471.12/334,528.40
  6. Step 6: Final answer
    x = 311,246.80

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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.