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Finding the Fourth Proportional to 587,572.65, 882,015.08 and 455,040.45

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Solution

The fourth proportional to 587,572.65, 882,015.08 and 455,040.45 is: 683,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,572.65 : 882,015.08 = 455,040.45 : x
  2. Step 2: Convert to fraction form
    587,572.65/882,015.08 = 455,040.45/x
  3. Step 3: Cross multiply
    587,572.65x = 882,015.08 × 455,040.45
  4. Step 4: Simplify right side
    587,572.65x = 401,352,536,634.78
  5. Step 5: Solve for x
    x = 401,352,536,634.78/587,572.65
  6. Step 6: Final answer
    x = 683,068.79

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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.