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Finding the Fourth Proportional to 580,741.74, 801,283.38 and 338,886.26

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Solution

The fourth proportional to 580,741.74, 801,283.38 and 338,886.26 is: 467,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,741.74 : 801,283.38 = 338,886.26 : x
  2. Step 2: Convert to fraction form
    580,741.74/801,283.38 = 338,886.26/x
  3. Step 3: Cross multiply
    580,741.74x = 801,283.38 × 338,886.26
  4. Step 4: Simplify right side
    580,741.74x = 271,543,927,848.36
  5. Step 5: Solve for x
    x = 271,543,927,848.36/580,741.74
  6. Step 6: Final answer
    x = 467,581.21

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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.