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Finding the Fourth Proportional to 404,161,712.40, 606,242,568.60 and 363,347,043.60

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Solution

The fourth proportional to 404,161,712.40, 606,242,568.60 and 363,347,043.60 is: 545,020,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,161,712.40 : 606,242,568.60 = 363,347,043.60 : x
  2. Step 2: Convert to fraction form
    404,161,712.40/606,242,568.60 = 363,347,043.60/x
  3. Step 3: Cross multiply
    404,161,712.40x = 606,242,568.60 × 363,347,043.60
  4. Step 4: Simplify right side
    404,161,712.40x = 220,276,445,005,280,224
  5. Step 5: Solve for x
    x = 220,276,445,005,280,224/404,161,712.40
  6. Step 6: Final answer
    x = 545,020,565.40

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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.