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Finding the Fourth Proportional to 475,957.47, 656,817.49 and 258,165.59

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Solution

The fourth proportional to 475,957.47, 656,817.49 and 258,165.59 is: 356,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,957.47 : 656,817.49 = 258,165.59 : x
  2. Step 2: Convert to fraction form
    475,957.47/656,817.49 = 258,165.59/x
  3. Step 3: Cross multiply
    475,957.47x = 656,817.49 × 258,165.59
  4. Step 4: Simplify right side
    475,957.47x = 169,567,674,828.17
  5. Step 5: Solve for x
    x = 169,567,674,828.17/475,957.47
  6. Step 6: Final answer
    x = 356,266.44

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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.