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Finding the Fourth Proportional to 572,428.74, 858,673.44 and 173,059.32

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Solution

The fourth proportional to 572,428.74, 858,673.44 and 173,059.32 is: 259,598.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,428.74 : 858,673.44 = 173,059.32 : x
  2. Step 2: Convert to fraction form
    572,428.74/858,673.44 = 173,059.32/x
  3. Step 3: Cross multiply
    572,428.74x = 858,673.44 × 173,059.32
  4. Step 4: Simplify right side
    572,428.74x = 148,601,441,628.46
  5. Step 5: Solve for x
    x = 148,601,441,628.46/572,428.74
  6. Step 6: Final answer
    x = 259,598.15

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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.