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Finding the Fourth Proportional to 1,800,368.40, 2,484,743.40 and 1,036,454.16

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Solution

The fourth proportional to 1,800,368.40, 2,484,743.40 and 1,036,454.16 is: 1,430,442.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,800,368.40 : 2,484,743.40 = 1,036,454.16 : x
  2. Step 2: Convert to fraction form
    1,800,368.40/2,484,743.40 = 1,036,454.16/x
  3. Step 3: Cross multiply
    1,800,368.40x = 2,484,743.40 × 1,036,454.16
  4. Step 4: Simplify right side
    1,800,368.40x = 2,575,322,633,462.54
  5. Step 5: Solve for x
    x = 2,575,322,633,462.54/1,800,368.40
  6. Step 6: Final answer
    x = 1,430,442.03

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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.