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Finding the Fourth Proportional to 341,232.70, 470,899.80 and 188,280.40

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Solution

The fourth proportional to 341,232.70, 470,899.80 and 188,280.40 is: 259,826.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,232.70 : 470,899.80 = 188,280.40 : x
  2. Step 2: Convert to fraction form
    341,232.70/470,899.80 = 188,280.40/x
  3. Step 3: Cross multiply
    341,232.70x = 470,899.80 × 188,280.40
  4. Step 4: Simplify right side
    341,232.70x = 88,661,202,703.92
  5. Step 5: Solve for x
    x = 88,661,202,703.92/341,232.70
  6. Step 6: Final answer
    x = 259,826.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.