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Finding the Fourth Proportional to 608,741.40, 913,112.10 and 591,245.40

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Solution

The fourth proportional to 608,741.40, 913,112.10 and 591,245.40 is: 886,868.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,741.40 : 913,112.10 = 591,245.40 : x
  2. Step 2: Convert to fraction form
    608,741.40/913,112.10 = 591,245.40/x
  3. Step 3: Cross multiply
    608,741.40x = 913,112.10 × 591,245.40
  4. Step 4: Simplify right side
    608,741.40x = 539,873,328,809.34
  5. Step 5: Solve for x
    x = 539,873,328,809.34/608,741.40
  6. Step 6: Final answer
    x = 886,868.10

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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.