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Finding the Fourth Proportional to 600,606,413.60, 900,909,620.40 and 255,571,296.80

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Solution

The fourth proportional to 600,606,413.60, 900,909,620.40 and 255,571,296.80 is: 383,356,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,606,413.60 : 900,909,620.40 = 255,571,296.80 : x
  2. Step 2: Convert to fraction form
    600,606,413.60/900,909,620.40 = 255,571,296.80/x
  3. Step 3: Cross multiply
    600,606,413.60x = 900,909,620.40 × 255,571,296.80
  4. Step 4: Simplify right side
    600,606,413.60x = 230,246,639,985,223,744
  5. Step 5: Solve for x
    x = 230,246,639,985,223,744/600,606,413.60
  6. Step 6: Final answer
    x = 383,356,945.20

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1.5x scale

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.