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Finding the Fourth Proportional to 885,373.25, 1,221,779 and 522,914.45

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Solution

The fourth proportional to 885,373.25, 1,221,779 and 522,914.45 is: 721,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,373.25 : 1,221,779 = 522,914.45 : x
  2. Step 2: Convert to fraction form
    885,373.25/1,221,779 = 522,914.45/x
  3. Step 3: Cross multiply
    885,373.25x = 1,221,779 × 522,914.45
  4. Step 4: Simplify right side
    885,373.25x = 638,885,893,806.55
  5. Step 5: Solve for x
    x = 638,885,893,806.55/885,373.25
  6. Step 6: Final answer
    x = 721,600.63

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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.