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Finding the Fourth Proportional to 884,774.75, 1,220,642.57 and 544,652.51

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Solution

The fourth proportional to 884,774.75, 1,220,642.57 and 544,652.51 is: 751,407.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,774.75 : 1,220,642.57 = 544,652.51 : x
  2. Step 2: Convert to fraction form
    884,774.75/1,220,642.57 = 544,652.51/x
  3. Step 3: Cross multiply
    884,774.75x = 1,220,642.57 × 544,652.51
  4. Step 4: Simplify right side
    884,774.75x = 664,826,036,840.09
  5. Step 5: Solve for x
    x = 664,826,036,840.09/884,774.75
  6. Step 6: Final answer
    x = 751,407.11

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Double scale
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1.5x scale

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.