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Finding the Fourth Proportional to 473,009.76, 652,769.28 and 258,162.12

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Solution

The fourth proportional to 473,009.76, 652,769.28 and 258,162.12 is: 356,272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,009.76 : 652,769.28 = 258,162.12 : x
  2. Step 2: Convert to fraction form
    473,009.76/652,769.28 = 258,162.12/x
  3. Step 3: Cross multiply
    473,009.76x = 652,769.28 × 258,162.12
  4. Step 4: Simplify right side
    473,009.76x = 168,520,301,195.67
  5. Step 5: Solve for x
    x = 168,520,301,195.67/473,009.76
  6. Step 6: Final answer
    x = 356,272.36

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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.