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Finding the Fourth Proportional to 580,624.45, 801,312.26 and 322,551.59

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Solution

The fourth proportional to 580,624.45, 801,312.26 and 322,551.59 is: 445,149.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,624.45 : 801,312.26 = 322,551.59 : x
  2. Step 2: Convert to fraction form
    580,624.45/801,312.26 = 322,551.59/x
  3. Step 3: Cross multiply
    580,624.45x = 801,312.26 × 322,551.59
  4. Step 4: Simplify right side
    580,624.45x = 258,464,543,549.49
  5. Step 5: Solve for x
    x = 258,464,543,549.49/580,624.45
  6. Step 6: Final answer
    x = 445,149.26

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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.