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Finding the Fourth Proportional to 604,911,610.40, 907,367,415.60 and 298,350,586.40

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Solution

The fourth proportional to 604,911,610.40, 907,367,415.60 and 298,350,586.40 is: 447,525,879.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,911,610.40 : 907,367,415.60 = 298,350,586.40 : x
  2. Step 2: Convert to fraction form
    604,911,610.40/907,367,415.60 = 298,350,586.40/x
  3. Step 3: Cross multiply
    604,911,610.40x = 907,367,415.60 × 298,350,586.40
  4. Step 4: Simplify right side
    604,911,610.40x = 270,713,600,524,512,480
  5. Step 5: Solve for x
    x = 270,713,600,524,512,480/604,911,610.40
  6. Step 6: Final answer
    x = 447,525,879.60

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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.