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Finding the Fourth Proportional to 580,779.32, 801,454.74 and 326,141.24

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Solution

The fourth proportional to 580,779.32, 801,454.74 and 326,141.24 is: 450,063.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,779.32 : 801,454.74 = 326,141.24 : x
  2. Step 2: Convert to fraction form
    580,779.32/801,454.74 = 326,141.24/x
  3. Step 3: Cross multiply
    580,779.32x = 801,454.74 × 326,141.24
  4. Step 4: Simplify right side
    580,779.32x = 261,387,442,707.48
  5. Step 5: Solve for x
    x = 261,387,442,707.48/580,779.32
  6. Step 6: Final answer
    x = 450,063.27

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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.