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Finding the Fourth Proportional to 719,891.80, 993,561.06 and 444,410.08

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Solution

The fourth proportional to 719,891.80, 993,561.06 and 444,410.08 is: 613,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,891.80 : 993,561.06 = 444,410.08 : x
  2. Step 2: Convert to fraction form
    719,891.80/993,561.06 = 444,410.08/x
  3. Step 3: Cross multiply
    719,891.80x = 993,561.06 × 444,410.08
  4. Step 4: Simplify right side
    719,891.80x = 441,548,550,159.49
  5. Step 5: Solve for x
    x = 441,548,550,159.49/719,891.80
  6. Step 6: Final answer
    x = 613,354.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.