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Finding the Fourth Proportional to 590,976,430.40, 886,464,645.60 and 373,298,196.80

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Solution

The fourth proportional to 590,976,430.40, 886,464,645.60 and 373,298,196.80 is: 559,947,295.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,976,430.40 : 886,464,645.60 = 373,298,196.80 : x
  2. Step 2: Convert to fraction form
    590,976,430.40/886,464,645.60 = 373,298,196.80/x
  3. Step 3: Cross multiply
    590,976,430.40x = 886,464,645.60 × 373,298,196.80
  4. Step 4: Simplify right side
    590,976,430.40x = 330,915,653,729,431,104
  5. Step 5: Solve for x
    x = 330,915,653,729,431,104/590,976,430.40
  6. Step 6: Final answer
    x = 559,947,295.20

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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.