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Finding the Fourth Proportional to 473,628.69, 653,573.48 and 258,723.14

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Solution

The fourth proportional to 473,628.69, 653,573.48 and 258,723.14 is: 357,019.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,628.69 : 653,573.48 = 258,723.14 : x
  2. Step 2: Convert to fraction form
    473,628.69/653,573.48 = 258,723.14/x
  3. Step 3: Cross multiply
    473,628.69x = 653,573.48 × 258,723.14
  4. Step 4: Simplify right side
    473,628.69x = 169,094,578,404.84
  5. Step 5: Solve for x
    x = 169,094,578,404.84/473,628.69
  6. Step 6: Final answer
    x = 357,019.29

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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.