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Finding the Fourth Proportional to 770,507.44, 1,154,798.52 and 371,074

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Solution

The fourth proportional to 770,507.44, 1,154,798.52 and 371,074 is: 556,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,507.44 : 1,154,798.52 = 371,074 : x
  2. Step 2: Convert to fraction form
    770,507.44/1,154,798.52 = 371,074/x
  3. Step 3: Cross multiply
    770,507.44x = 1,154,798.52 × 371,074
  4. Step 4: Simplify right side
    770,507.44x = 428,515,706,010.48
  5. Step 5: Solve for x
    x = 428,515,706,010.48/770,507.44
  6. Step 6: Final answer
    x = 556,147.40

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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.