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Finding the Fourth Proportional to 545,050, 817,582.29 and 171,073

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Solution

The fourth proportional to 545,050, 817,582.29 and 171,073 is: 256,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,050 : 817,582.29 = 171,073 : x
  2. Step 2: Convert to fraction form
    545,050/817,582.29 = 171,073/x
  3. Step 3: Cross multiply
    545,050x = 817,582.29 × 171,073
  4. Step 4: Simplify right side
    545,050x = 139,866,255,097.17
  5. Step 5: Solve for x
    x = 139,866,255,097.17/545,050
  6. Step 6: Final answer
    x = 256,611.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.