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Finding the Fourth Proportional to 605,420.40, 908,130.60 and 184,641.60

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Solution

The fourth proportional to 605,420.40, 908,130.60 and 184,641.60 is: 276,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,420.40 : 908,130.60 = 184,641.60 : x
  2. Step 2: Convert to fraction form
    605,420.40/908,130.60 = 184,641.60/x
  3. Step 3: Cross multiply
    605,420.40x = 908,130.60 × 184,641.60
  4. Step 4: Simplify right side
    605,420.40x = 167,678,686,992.96
  5. Step 5: Solve for x
    x = 167,678,686,992.96/605,420.40
  6. Step 6: Final answer
    x = 276,962.40

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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.