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Finding the Fourth Proportional to 404,433,649.60, 606,650,474.40 and 404,433,649.60

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Solution

The fourth proportional to 404,433,649.60, 606,650,474.40 and 404,433,649.60 is: 606,650,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,433,649.60 : 606,650,474.40 = 404,433,649.60 : x
  2. Step 2: Convert to fraction form
    404,433,649.60/606,650,474.40 = 404,433,649.60/x
  3. Step 3: Cross multiply
    404,433,649.60x = 606,650,474.40 × 404,433,649.60
  4. Step 4: Simplify right side
    404,433,649.60x = 245,349,865,393,163,360
  5. Step 5: Solve for x
    x = 245,349,865,393,163,360/404,433,649.60
  6. Step 6: Final answer
    x = 606,650,474.40

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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.