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Finding the Fourth Proportional to 357,497.35, 535,429.23 and 170,640.07

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Solution

The fourth proportional to 357,497.35, 535,429.23 and 170,640.07 is: 255,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,497.35 : 535,429.23 = 170,640.07 : x
  2. Step 2: Convert to fraction form
    357,497.35/535,429.23 = 170,640.07/x
  3. Step 3: Cross multiply
    357,497.35x = 535,429.23 × 170,640.07
  4. Step 4: Simplify right side
    357,497.35x = 91,365,681,287.25
  5. Step 5: Solve for x
    x = 91,365,681,287.25/357,497.35
  6. Step 6: Final answer
    x = 255,570.23

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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.