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Finding the Fourth Proportional to 303,830,751.40, 455,746,132.86 and 73,798,286.12

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Solution

The fourth proportional to 303,830,751.40, 455,746,132.86 and 73,798,286.12 is: 110,697,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,830,751.40 : 455,746,132.86 = 73,798,286.12 : x
  2. Step 2: Convert to fraction form
    303,830,751.40/455,746,132.86 = 73,798,286.12/x
  3. Step 3: Cross multiply
    303,830,751.40x = 455,746,132.86 × 73,798,286.12
  4. Step 4: Simplify right side
    303,830,751.40x = 33,633,283,510,885,816
  5. Step 5: Solve for x
    x = 33,633,283,510,885,816/303,830,751.40
  6. Step 6: Final answer
    x = 110,697,430.58

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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.