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Finding the Fourth Proportional to 580,547.49, 801,128.94 and 322,440.94

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Solution

The fourth proportional to 580,547.49, 801,128.94 and 322,440.94 is: 444,953.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,547.49 : 801,128.94 = 322,440.94 : x
  2. Step 2: Convert to fraction form
    580,547.49/801,128.94 = 322,440.94/x
  3. Step 3: Cross multiply
    580,547.49x = 801,128.94 × 322,440.94
  4. Step 4: Simplify right side
    580,547.49x = 258,316,768,474.80
  5. Step 5: Solve for x
    x = 258,316,768,474.80/580,547.49
  6. Step 6: Final answer
    x = 444,953.73

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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.