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Finding the Fourth Proportional to 443,935.07, 612,661.67 and 250,360.10

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Solution

The fourth proportional to 443,935.07, 612,661.67 and 250,360.10 is: 345,514.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,935.07 : 612,661.67 = 250,360.10 : x
  2. Step 2: Convert to fraction form
    443,935.07/612,661.67 = 250,360.10/x
  3. Step 3: Cross multiply
    443,935.07x = 612,661.67 × 250,360.10
  4. Step 4: Simplify right side
    443,935.07x = 153,386,032,652.26
  5. Step 5: Solve for x
    x = 153,386,032,652.26/443,935.07
  6. Step 6: Final answer
    x = 345,514.57

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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.