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Finding the Fourth Proportional to 608,749.80, 913,124.70 and 605,250.60

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Solution

The fourth proportional to 608,749.80, 913,124.70 and 605,250.60 is: 907,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,749.80 : 913,124.70 = 605,250.60 : x
  2. Step 2: Convert to fraction form
    608,749.80/913,124.70 = 605,250.60/x
  3. Step 3: Cross multiply
    608,749.80x = 913,124.70 × 605,250.60
  4. Step 4: Simplify right side
    608,749.80x = 552,669,272,549.82
  5. Step 5: Solve for x
    x = 552,669,272,549.82/608,749.80
  6. Step 6: Final answer
    x = 907,875.90

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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.