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Finding the Fourth Proportional to 567,953.61, 783,749.62 and 326,065.94

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Solution

The fourth proportional to 567,953.61, 783,749.62 and 326,065.94 is: 449,955.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,953.61 : 783,749.62 = 326,065.94 : x
  2. Step 2: Convert to fraction form
    567,953.61/783,749.62 = 326,065.94/x
  3. Step 3: Cross multiply
    567,953.61x = 783,749.62 × 326,065.94
  4. Step 4: Simplify right side
    567,953.61x = 255,554,056,569.94
  5. Step 5: Solve for x
    x = 255,554,056,569.94/567,953.61
  6. Step 6: Final answer
    x = 449,955.86

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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.