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Finding the Fourth Proportional to 616,708.08, 925,529.49 and 261,971.01

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Solution

The fourth proportional to 616,708.08, 925,529.49 and 261,971.01 is: 393,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,708.08 : 925,529.49 = 261,971.01 : x
  2. Step 2: Convert to fraction form
    616,708.08/925,529.49 = 261,971.01/x
  3. Step 3: Cross multiply
    616,708.08x = 925,529.49 × 261,971.01
  4. Step 4: Simplify right side
    616,708.08x = 242,461,895,280.09
  5. Step 5: Solve for x
    x = 242,461,895,280.09/616,708.08
  6. Step 6: Final answer
    x = 393,155.05

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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.