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Finding the Fourth Proportional to 605,637.60, 908,456.40 and 605,637.60

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Solution

The fourth proportional to 605,637.60, 908,456.40 and 605,637.60 is: 908,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,637.60 : 908,456.40 = 605,637.60 : x
  2. Step 2: Convert to fraction form
    605,637.60/908,456.40 = 605,637.60/x
  3. Step 3: Cross multiply
    605,637.60x = 908,456.40 × 605,637.60
  4. Step 4: Simplify right side
    605,637.60x = 550,195,353,800.64
  5. Step 5: Solve for x
    x = 550,195,353,800.64/605,637.60
  6. Step 6: Final answer
    x = 908,456.40

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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.