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Finding the Fourth Proportional to 331,570,243.60, 497,355,365.40 and 331,570,243.60

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Solution

The fourth proportional to 331,570,243.60, 497,355,365.40 and 331,570,243.60 is: 497,355,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,570,243.60 : 497,355,365.40 = 331,570,243.60 : x
  2. Step 2: Convert to fraction form
    331,570,243.60/497,355,365.40 = 331,570,243.60/x
  3. Step 3: Cross multiply
    331,570,243.60x = 497,355,365.40 × 331,570,243.60
  4. Step 4: Simplify right side
    331,570,243.60x = 164,908,239,661,445,024
  5. Step 5: Solve for x
    x = 164,908,239,661,445,024/331,570,243.60
  6. Step 6: Final answer
    x = 497,355,365.40

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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.