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Finding the Fourth Proportional to 575,641.44, 863,463.78 and 201,576.96

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Solution

The fourth proportional to 575,641.44, 863,463.78 and 201,576.96 is: 302,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,641.44 : 863,463.78 = 201,576.96 : x
  2. Step 2: Convert to fraction form
    575,641.44/863,463.78 = 201,576.96/x
  3. Step 3: Cross multiply
    575,641.44x = 863,463.78 × 201,576.96
  4. Step 4: Simplify right side
    575,641.44x = 174,054,403,842.51
  5. Step 5: Solve for x
    x = 174,054,403,842.51/575,641.44
  6. Step 6: Final answer
    x = 302,366.01

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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.