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Finding the Fourth Proportional to 357,696,021.60, 501,922,342.80 and 357,696,021.60

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Solution

The fourth proportional to 357,696,021.60, 501,922,342.80 and 357,696,021.60 is: 501,922,342.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696,021.60 : 501,922,342.80 = 357,696,021.60 : x
  2. Step 2: Convert to fraction form
    357,696,021.60/501,922,342.80 = 357,696,021.60/x
  3. Step 3: Cross multiply
    357,696,021.60x = 501,922,342.80 × 357,696,021.60
  4. Step 4: Simplify right side
    357,696,021.60x = 179,535,625,171,711,424
  5. Step 5: Solve for x
    x = 179,535,625,171,711,424/357,696,021.60
  6. Step 6: Final answer
    x = 501,922,342.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.