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Finding the Fourth Proportional to 435,579, 599,232.78 and 416,916.60

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Solution

The fourth proportional to 435,579, 599,232.78 and 416,916.60 is: 573,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,579 : 599,232.78 = 416,916.60 : x
  2. Step 2: Convert to fraction form
    435,579/599,232.78 = 416,916.60/x
  3. Step 3: Cross multiply
    435,579x = 599,232.78 × 416,916.60
  4. Step 4: Simplify right side
    435,579x = 249,830,093,246.15
  5. Step 5: Solve for x
    x = 249,830,093,246.15/435,579
  6. Step 6: Final answer
    x = 573,558.63

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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.