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Finding the Fourth Proportional to 554,624.33, 765,361.47 and 348,004.10

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Solution

The fourth proportional to 554,624.33, 765,361.47 and 348,004.10 is: 480,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,624.33 : 765,361.47 = 348,004.10 : x
  2. Step 2: Convert to fraction form
    554,624.33/765,361.47 = 348,004.10/x
  3. Step 3: Cross multiply
    554,624.33x = 765,361.47 × 348,004.10
  4. Step 4: Simplify right side
    554,624.33x = 266,348,930,607.87
  5. Step 5: Solve for x
    x = 266,348,930,607.87/554,624.33
  6. Step 6: Final answer
    x = 480,233.04

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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.