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Finding the Fourth Proportional to 473,625.06, 653,611.98 and 258,778.45

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Solution

The fourth proportional to 473,625.06, 653,611.98 and 258,778.45 is: 357,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,625.06 : 653,611.98 = 258,778.45 : x
  2. Step 2: Convert to fraction form
    473,625.06/653,611.98 = 258,778.45/x
  3. Step 3: Cross multiply
    473,625.06x = 653,611.98 × 258,778.45
  4. Step 4: Simplify right side
    473,625.06x = 169,140,695,085.83
  5. Step 5: Solve for x
    x = 169,140,695,085.83/473,625.06
  6. Step 6: Final answer
    x = 357,119.40

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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.