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Finding the Fourth Proportional to 575,618.40, 863,427.60 and 526,629.60

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Solution

The fourth proportional to 575,618.40, 863,427.60 and 526,629.60 is: 789,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,618.40 : 863,427.60 = 526,629.60 : x
  2. Step 2: Convert to fraction form
    575,618.40/863,427.60 = 526,629.60/x
  3. Step 3: Cross multiply
    575,618.40x = 863,427.60 × 526,629.60
  4. Step 4: Simplify right side
    575,618.40x = 454,706,531,616.96
  5. Step 5: Solve for x
    x = 454,706,531,616.96/575,618.40
  6. Step 6: Final answer
    x = 789,944.40

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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.