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Finding the Fourth Proportional to 352,016.94, 528,287.73 and 141,656.46

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Solution

The fourth proportional to 352,016.94, 528,287.73 and 141,656.46 is: 212,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,016.94 : 528,287.73 = 141,656.46 : x
  2. Step 2: Convert to fraction form
    352,016.94/528,287.73 = 141,656.46/x
  3. Step 3: Cross multiply
    352,016.94x = 528,287.73 × 141,656.46
  4. Step 4: Simplify right side
    352,016.94x = 74,835,369,693.24
  5. Step 5: Solve for x
    x = 74,835,369,693.24/352,016.94
  6. Step 6: Final answer
    x = 212,590.25

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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.