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Finding the Fourth Proportional to 637,546.66, 955,602.32 and 278,020.06

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Solution

The fourth proportional to 637,546.66, 955,602.32 and 278,020.06 is: 416,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,546.66 : 955,602.32 = 278,020.06 : x
  2. Step 2: Convert to fraction form
    637,546.66/955,602.32 = 278,020.06/x
  3. Step 3: Cross multiply
    637,546.66x = 955,602.32 × 278,020.06
  4. Step 4: Simplify right side
    637,546.66x = 265,676,614,342.54
  5. Step 5: Solve for x
    x = 265,676,614,342.54/637,546.66
  6. Step 6: Final answer
    x = 416,717.13

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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.