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Finding the Fourth Proportional to 473,667.31, 653,653.19 and 258,802.76

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Solution

The fourth proportional to 473,667.31, 653,653.19 and 258,802.76 is: 357,143.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,667.31 : 653,653.19 = 258,802.76 : x
  2. Step 2: Convert to fraction form
    473,667.31/653,653.19 = 258,802.76/x
  3. Step 3: Cross multiply
    473,667.31x = 653,653.19 × 258,802.76
  4. Step 4: Simplify right side
    473,667.31x = 169,167,251,935.94
  5. Step 5: Solve for x
    x = 169,167,251,935.94/473,667.31
  6. Step 6: Final answer
    x = 357,143.61

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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.