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Finding the Fourth Proportional to 515,167.28, 710,313 and 333,813.02

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Solution

The fourth proportional to 515,167.28, 710,313 and 333,813.02 is: 460,261.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,167.28 : 710,313 = 333,813.02 : x
  2. Step 2: Convert to fraction form
    515,167.28/710,313 = 333,813.02/x
  3. Step 3: Cross multiply
    515,167.28x = 710,313 × 333,813.02
  4. Step 4: Simplify right side
    515,167.28x = 237,111,727,675.26
  5. Step 5: Solve for x
    x = 237,111,727,675.26/515,167.28
  6. Step 6: Final answer
    x = 460,261.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.