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Finding the Fourth Proportional to 650,828.88, 976,933.44 and 576,432

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Solution

The fourth proportional to 650,828.88, 976,933.44 and 576,432 is: 865,259.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,828.88 : 976,933.44 = 576,432 : x
  2. Step 2: Convert to fraction form
    650,828.88/976,933.44 = 576,432/x
  3. Step 3: Cross multiply
    650,828.88x = 976,933.44 × 576,432
  4. Step 4: Simplify right side
    650,828.88x = 563,135,696,686.08
  5. Step 5: Solve for x
    x = 563,135,696,686.08/650,828.88
  6. Step 6: Final answer
    x = 865,259.23

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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.