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Finding the Fourth Proportional to 473,179.60, 652,997.73 and 258,328.72

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Solution

The fourth proportional to 473,179.60, 652,997.73 and 258,328.72 is: 356,499.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,179.60 : 652,997.73 = 258,328.72 : x
  2. Step 2: Convert to fraction form
    473,179.60/652,997.73 = 258,328.72/x
  3. Step 3: Cross multiply
    473,179.60x = 652,997.73 × 258,328.72
  4. Step 4: Simplify right side
    473,179.60x = 168,688,067,753.81
  5. Step 5: Solve for x
    x = 168,688,067,753.81/473,179.60
  6. Step 6: Final answer
    x = 356,499.03

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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.