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Finding the Fourth Proportional to 296,145.40, 444,509.70 and 146,554.60

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Solution

The fourth proportional to 296,145.40, 444,509.70 and 146,554.60 is: 219,976.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,145.40 : 444,509.70 = 146,554.60 : x
  2. Step 2: Convert to fraction form
    296,145.40/444,509.70 = 146,554.60/x
  3. Step 3: Cross multiply
    296,145.40x = 444,509.70 × 146,554.60
  4. Step 4: Simplify right side
    296,145.40x = 65,144,941,279.62
  5. Step 5: Solve for x
    x = 65,144,941,279.62/296,145.40
  6. Step 6: Final answer
    x = 219,976.21

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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.