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Finding the Fourth Proportional to 702,950.72, 1,054,416.16 and 170,476.48

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Solution

The fourth proportional to 702,950.72, 1,054,416.16 and 170,476.48 is: 255,712.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,950.72 : 1,054,416.16 = 170,476.48 : x
  2. Step 2: Convert to fraction form
    702,950.72/1,054,416.16 = 170,476.48/x
  3. Step 3: Cross multiply
    702,950.72x = 1,054,416.16 × 170,476.48
  4. Step 4: Simplify right side
    702,950.72x = 179,753,155,411.92
  5. Step 5: Solve for x
    x = 179,753,155,411.92/702,950.72
  6. Step 6: Final answer
    x = 255,712.31

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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.