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Finding the Fourth Proportional to 605,518.40, 908,277.60 and 605,518.40

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Solution

The fourth proportional to 605,518.40, 908,277.60 and 605,518.40 is: 908,277.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,518.40 : 908,277.60 = 605,518.40 : x
  2. Step 2: Convert to fraction form
    605,518.40/908,277.60 = 605,518.40/x
  3. Step 3: Cross multiply
    605,518.40x = 908,277.60 × 605,518.40
  4. Step 4: Simplify right side
    605,518.40x = 549,978,799,107.84
  5. Step 5: Solve for x
    x = 549,978,799,107.84/605,518.40
  6. Step 6: Final answer
    x = 908,277.60

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.