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Finding the Fourth Proportional to 1,977,054.05, 2,965,581.48 and 556,925.60

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Solution

The fourth proportional to 1,977,054.05, 2,965,581.48 and 556,925.60 is: 835,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,054.05 : 2,965,581.48 = 556,925.60 : x
  2. Step 2: Convert to fraction form
    1,977,054.05/2,965,581.48 = 556,925.60/x
  3. Step 3: Cross multiply
    1,977,054.05x = 2,965,581.48 × 556,925.60
  4. Step 4: Simplify right side
    1,977,054.05x = 1,651,608,230,269.98
  5. Step 5: Solve for x
    x = 1,651,608,230,269.98/1,977,054.05
  6. Step 6: Final answer
    x = 835,388.51

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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.