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Finding the Fourth Proportional to 435,022.80, 610,431.60 and 435,022.80

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Solution

The fourth proportional to 435,022.80, 610,431.60 and 435,022.80 is: 610,431.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,022.80 : 610,431.60 = 435,022.80 : x
  2. Step 2: Convert to fraction form
    435,022.80/610,431.60 = 435,022.80/x
  3. Step 3: Cross multiply
    435,022.80x = 610,431.60 × 435,022.80
  4. Step 4: Simplify right side
    435,022.80x = 265,551,663,840.48
  5. Step 5: Solve for x
    x = 265,551,663,840.48/435,022.80
  6. Step 6: Final answer
    x = 610,431.60

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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.