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Finding the Fourth Proportional to 202,879.20, 304,059.60 and 147,410.40

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Solution

The fourth proportional to 202,879.20, 304,059.60 and 147,410.40 is: 220,927.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,879.20 : 304,059.60 = 147,410.40 : x
  2. Step 2: Convert to fraction form
    202,879.20/304,059.60 = 147,410.40/x
  3. Step 3: Cross multiply
    202,879.20x = 304,059.60 × 147,410.40
  4. Step 4: Simplify right side
    202,879.20x = 44,821,547,259.84
  5. Step 5: Solve for x
    x = 44,821,547,259.84/202,879.20
  6. Step 6: Final answer
    x = 220,927.27

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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.