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Finding the Fourth Proportional to 615,079.35, 922,619.03 and 171,847.35

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Solution

The fourth proportional to 615,079.35, 922,619.03 and 171,847.35 is: 257,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,079.35 : 922,619.03 = 171,847.35 : x
  2. Step 2: Convert to fraction form
    615,079.35/922,619.03 = 171,847.35/x
  3. Step 3: Cross multiply
    615,079.35x = 922,619.03 × 171,847.35
  4. Step 4: Simplify right side
    615,079.35x = 158,549,634,505.83
  5. Step 5: Solve for x
    x = 158,549,634,505.83/615,079.35
  6. Step 6: Final answer
    x = 257,771.03

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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.