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Finding the Fourth Proportional to 473,513.18, 653,423.83 and 258,611.72

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Solution

The fourth proportional to 473,513.18, 653,423.83 and 258,611.72 is: 356,870.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,513.18 : 653,423.83 = 258,611.72 : x
  2. Step 2: Convert to fraction form
    473,513.18/653,423.83 = 258,611.72/x
  3. Step 3: Cross multiply
    473,513.18x = 653,423.83 × 258,611.72
  4. Step 4: Simplify right side
    473,513.18x = 168,983,063,629.29
  5. Step 5: Solve for x
    x = 168,983,063,629.29/473,513.18
  6. Step 6: Final answer
    x = 356,870.88

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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.