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Finding the Fourth Proportional to 526,028.60, 789,042.90 and 365,065.40

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Solution

The fourth proportional to 526,028.60, 789,042.90 and 365,065.40 is: 547,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,028.60 : 789,042.90 = 365,065.40 : x
  2. Step 2: Convert to fraction form
    526,028.60/789,042.90 = 365,065.40/x
  3. Step 3: Cross multiply
    526,028.60x = 789,042.90 × 365,065.40
  4. Step 4: Simplify right side
    526,028.60x = 288,052,261,905.66
  5. Step 5: Solve for x
    x = 288,052,261,905.66/526,028.60
  6. Step 6: Final answer
    x = 547,598.10

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Similar ratio
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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.