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Finding the Fourth Proportional to 473,900.48, 653,982.60 and 259,041.40

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Solution

The fourth proportional to 473,900.48, 653,982.60 and 259,041.40 is: 357,477.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,900.48 : 653,982.60 = 259,041.40 : x
  2. Step 2: Convert to fraction form
    473,900.48/653,982.60 = 259,041.40/x
  3. Step 3: Cross multiply
    473,900.48x = 653,982.60 × 259,041.40
  4. Step 4: Simplify right side
    473,900.48x = 169,408,568,279.64
  5. Step 5: Solve for x
    x = 169,408,568,279.64/473,900.48
  6. Step 6: Final answer
    x = 357,477.10

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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.