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Finding the Fourth Proportional to 357,435.23, 535,336.27 and 170,577.95

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Solution

The fourth proportional to 357,435.23, 535,336.27 and 170,577.95 is: 255,477.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,435.23 : 535,336.27 = 170,577.95 : x
  2. Step 2: Convert to fraction form
    357,435.23/535,336.27 = 170,577.95/x
  3. Step 3: Cross multiply
    357,435.23x = 535,336.27 × 170,577.95
  4. Step 4: Simplify right side
    357,435.23x = 91,316,560,394.12
  5. Step 5: Solve for x
    x = 91,316,560,394.12/357,435.23
  6. Step 6: Final answer
    x = 255,477.23

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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.