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Finding the Fourth Proportional to 466,916.40, 700,374.60 and 439,268.40

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Solution

The fourth proportional to 466,916.40, 700,374.60 and 439,268.40 is: 658,902.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,916.40 : 700,374.60 = 439,268.40 : x
  2. Step 2: Convert to fraction form
    466,916.40/700,374.60 = 439,268.40/x
  3. Step 3: Cross multiply
    466,916.40x = 700,374.60 × 439,268.40
  4. Step 4: Simplify right side
    466,916.40x = 307,652,429,942.64
  5. Step 5: Solve for x
    x = 307,652,429,942.64/466,916.40
  6. Step 6: Final answer
    x = 658,902.60

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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.