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Finding the Fourth Proportional to 473,388.81, 653,273.22 and 258,528.93

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Solution

The fourth proportional to 473,388.81, 653,273.22 and 258,528.93 is: 356,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,388.81 : 653,273.22 = 258,528.93 : x
  2. Step 2: Convert to fraction form
    473,388.81/653,273.22 = 258,528.93/x
  3. Step 3: Cross multiply
    473,388.81x = 653,273.22 × 258,528.93
  4. Step 4: Simplify right side
    473,388.81x = 168,890,026,564.26
  5. Step 5: Solve for x
    x = 168,890,026,564.26/473,388.81
  6. Step 6: Final answer
    x = 356,768.10

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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.