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Finding the Fourth Proportional to 580,588.72, 801,185.18 and 322,482.40

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Solution

The fourth proportional to 580,588.72, 801,185.18 and 322,482.40 is: 445,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,588.72 : 801,185.18 = 322,482.40 : x
  2. Step 2: Convert to fraction form
    580,588.72/801,185.18 = 322,482.40/x
  3. Step 3: Cross multiply
    580,588.72x = 801,185.18 × 322,482.40
  4. Step 4: Simplify right side
    580,588.72x = 258,368,116,075.46
  5. Step 5: Solve for x
    x = 258,368,116,075.46/580,588.72
  6. Step 6: Final answer
    x = 445,010.57

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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.