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Finding the Fourth Proportional to 324,045.20, 484,512.60 and 240,064.40

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Solution

The fourth proportional to 324,045.20, 484,512.60 and 240,064.40 is: 358,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,045.20 : 484,512.60 = 240,064.40 : x
  2. Step 2: Convert to fraction form
    324,045.20/484,512.60 = 240,064.40/x
  3. Step 3: Cross multiply
    324,045.20x = 484,512.60 × 240,064.40
  4. Step 4: Simplify right side
    324,045.20x = 116,314,226,611.44
  5. Step 5: Solve for x
    x = 116,314,226,611.44/324,045.20
  6. Step 6: Final answer
    x = 358,944.45

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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.