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Finding the Fourth Proportional to 473,185.79, 653,006.30 and 258,334.91

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Solution

The fourth proportional to 473,185.79, 653,006.30 and 258,334.91 is: 356,507.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,185.79 : 653,006.30 = 258,334.91 : x
  2. Step 2: Convert to fraction form
    473,185.79/653,006.30 = 258,334.91/x
  3. Step 3: Cross multiply
    473,185.79x = 653,006.30 × 258,334.91
  4. Step 4: Simplify right side
    473,185.79x = 168,694,323,739.93
  5. Step 5: Solve for x
    x = 168,694,323,739.93/473,185.79
  6. Step 6: Final answer
    x = 356,507.59

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1.5x scale

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.