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Finding the Fourth Proportional to 1,956,848.64, 2,699,304.48 and 1,230,544.32

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Solution

The fourth proportional to 1,956,848.64, 2,699,304.48 and 1,230,544.32 is: 1,697,430.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,956,848.64 : 2,699,304.48 = 1,230,544.32 : x
  2. Step 2: Convert to fraction form
    1,956,848.64/2,699,304.48 = 1,230,544.32/x
  3. Step 3: Cross multiply
    1,956,848.64x = 2,699,304.48 × 1,230,544.32
  4. Step 4: Simplify right side
    1,956,848.64x = 3,321,613,795,814.55
  5. Step 5: Solve for x
    x = 3,321,613,795,814.55/1,956,848.64
  6. Step 6: Final answer
    x = 1,697,430.11

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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.