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Finding the Fourth Proportional to 2,899,290.80, 4,348,914.60 and 877,530.80

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Solution

The fourth proportional to 2,899,290.80, 4,348,914.60 and 877,530.80 is: 1,316,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899,290.80 : 4,348,914.60 = 877,530.80 : x
  2. Step 2: Convert to fraction form
    2,899,290.80/4,348,914.60 = 877,530.80/x
  3. Step 3: Cross multiply
    2,899,290.80x = 4,348,914.60 × 877,530.80
  4. Step 4: Simplify right side
    2,899,290.80x = 3,816,306,508,069.68
  5. Step 5: Solve for x
    x = 3,816,306,508,069.68/2,899,290.80
  6. Step 6: Final answer
    x = 1,316,289.66

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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.