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Finding the Fourth Proportional to 473,300.36, 653,157.66 and 258,441.92

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Solution

The fourth proportional to 473,300.36, 653,157.66 and 258,441.92 is: 356,651.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,300.36 : 653,157.66 = 258,441.92 : x
  2. Step 2: Convert to fraction form
    473,300.36/653,157.66 = 258,441.92/x
  3. Step 3: Cross multiply
    473,300.36x = 653,157.66 × 258,441.92
  4. Step 4: Simplify right side
    473,300.36x = 168,803,319,713.11
  5. Step 5: Solve for x
    x = 168,803,319,713.11/473,300.36
  6. Step 6: Final answer
    x = 356,651.58

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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.