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Finding the Fourth Proportional to 650,840.88, 976,951.44 and 576,444

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Solution

The fourth proportional to 650,840.88, 976,951.44 and 576,444 is: 865,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,840.88 : 976,951.44 = 576,444 : x
  2. Step 2: Convert to fraction form
    650,840.88/976,951.44 = 576,444/x
  3. Step 3: Cross multiply
    650,840.88x = 976,951.44 × 576,444
  4. Step 4: Simplify right side
    650,840.88x = 563,157,795,879.36
  5. Step 5: Solve for x
    x = 563,157,795,879.36/650,840.88
  6. Step 6: Final answer
    x = 865,277.23

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1.5x scale

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.