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Finding the Fourth Proportional to 713,840.14, 1,068,656.59 and 625,266.64

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Solution

The fourth proportional to 713,840.14, 1,068,656.59 and 625,266.64 is: 936,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,840.14 : 1,068,656.59 = 625,266.64 : x
  2. Step 2: Convert to fraction form
    713,840.14/1,068,656.59 = 625,266.64/x
  3. Step 3: Cross multiply
    713,840.14x = 1,068,656.59 × 625,266.64
  4. Step 4: Simplify right side
    713,840.14x = 668,195,317,460.56
  5. Step 5: Solve for x
    x = 668,195,317,460.56/713,840.14
  6. Step 6: Final answer
    x = 936,057.36

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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.