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Finding the Fourth Proportional to 260,173.80, 390,260.70 and 244,427.40

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Solution

The fourth proportional to 260,173.80, 390,260.70 and 244,427.40 is: 366,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,173.80 : 390,260.70 = 244,427.40 : x
  2. Step 2: Convert to fraction form
    260,173.80/390,260.70 = 244,427.40/x
  3. Step 3: Cross multiply
    260,173.80x = 390,260.70 × 244,427.40
  4. Step 4: Simplify right side
    260,173.80x = 95,390,408,223.18
  5. Step 5: Solve for x
    x = 95,390,408,223.18/260,173.80
  6. Step 6: Final answer
    x = 366,641.10

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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.