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Finding the Fourth Proportional to 1,869,798.87, 2,580,322.39 and 1,010,359.10

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Solution

The fourth proportional to 1,869,798.87, 2,580,322.39 and 1,010,359.10 is: 1,394,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,798.87 : 2,580,322.39 = 1,010,359.10 : x
  2. Step 2: Convert to fraction form
    1,869,798.87/2,580,322.39 = 1,010,359.10/x
  3. Step 3: Cross multiply
    1,869,798.87x = 2,580,322.39 × 1,010,359.10
  4. Step 4: Simplify right side
    1,869,798.87x = 2,607,052,211,595.16
  5. Step 5: Solve for x
    x = 2,607,052,211,595.16/1,869,798.87
  6. Step 6: Final answer
    x = 1,394,295.53

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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.