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Finding the Fourth Proportional to 880,260.90, 1,320,881.82 and 475,444.92

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Solution

The fourth proportional to 880,260.90, 1,320,881.82 and 475,444.92 is: 713,432.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,260.90 : 1,320,881.82 = 475,444.92 : x
  2. Step 2: Convert to fraction form
    880,260.90/1,320,881.82 = 475,444.92/x
  3. Step 3: Cross multiply
    880,260.90x = 1,320,881.82 × 475,444.92
  4. Step 4: Simplify right side
    880,260.90x = 628,006,551,239.35
  5. Step 5: Solve for x
    x = 628,006,551,239.35/880,260.90
  6. Step 6: Final answer
    x = 713,432.29

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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.