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Finding the Fourth Proportional to 528,051.70, 792,070.35 and 173,077.30

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Solution

The fourth proportional to 528,051.70, 792,070.35 and 173,077.30 is: 259,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,051.70 : 792,070.35 = 173,077.30 : x
  2. Step 2: Convert to fraction form
    528,051.70/792,070.35 = 173,077.30/x
  3. Step 3: Cross multiply
    528,051.70x = 792,070.35 × 173,077.30
  4. Step 4: Simplify right side
    528,051.70x = 137,089,397,588.06
  5. Step 5: Solve for x
    x = 137,089,397,588.06/528,051.70
  6. Step 6: Final answer
    x = 259,613.59

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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.