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Finding the Fourth Proportional to 180,403,400.40, 270,605,100.60 and 180,403,400.40

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Solution

The fourth proportional to 180,403,400.40, 270,605,100.60 and 180,403,400.40 is: 270,605,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,403,400.40 : 270,605,100.60 = 180,403,400.40 : x
  2. Step 2: Convert to fraction form
    180,403,400.40/270,605,100.60 = 180,403,400.40/x
  3. Step 3: Cross multiply
    180,403,400.40x = 270,605,100.60 × 180,403,400.40
  4. Step 4: Simplify right side
    180,403,400.40x = 48,818,080,313,824,088
  5. Step 5: Solve for x
    x = 48,818,080,313,824,088/180,403,400.40
  6. Step 6: Final answer
    x = 270,605,100.60

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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.