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Finding the Fourth Proportional to 572,729.09, 859,104.56 and 173,368.31

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Solution

The fourth proportional to 572,729.09, 859,104.56 and 173,368.31 is: 260,055.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,729.09 : 859,104.56 = 173,368.31 : x
  2. Step 2: Convert to fraction form
    572,729.09/859,104.56 = 173,368.31/x
  3. Step 3: Cross multiply
    572,729.09x = 859,104.56 × 173,368.31
  4. Step 4: Simplify right side
    572,729.09x = 148,941,501,818.39
  5. Step 5: Solve for x
    x = 148,941,501,818.39/572,729.09
  6. Step 6: Final answer
    x = 260,055.77

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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.