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Finding the Fourth Proportional to 570,684.80, 855,825.27 and 165,792.77

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Solution

The fourth proportional to 570,684.80, 855,825.27 and 165,792.77 is: 248,630.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,684.80 : 855,825.27 = 165,792.77 : x
  2. Step 2: Convert to fraction form
    570,684.80/855,825.27 = 165,792.77/x
  3. Step 3: Cross multiply
    570,684.80x = 855,825.27 × 165,792.77
  4. Step 4: Simplify right side
    570,684.80x = 141,889,637,870.17
  5. Step 5: Solve for x
    x = 141,889,637,870.17/570,684.80
  6. Step 6: Final answer
    x = 248,630.48

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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.