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Finding the Fourth Proportional to 526,544.40, 739,028.40 and 526,544.40

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Solution

The fourth proportional to 526,544.40, 739,028.40 and 526,544.40 is: 739,028.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,544.40 : 739,028.40 = 526,544.40 : x
  2. Step 2: Convert to fraction form
    526,544.40/739,028.40 = 526,544.40/x
  3. Step 3: Cross multiply
    526,544.40x = 739,028.40 × 526,544.40
  4. Step 4: Simplify right side
    526,544.40x = 389,131,265,460.96
  5. Step 5: Solve for x
    x = 389,131,265,460.96/526,544.40
  6. Step 6: Final answer
    x = 739,028.40

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Double scale
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Similar ratio
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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.