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Finding the Fourth Proportional to 539,072.51, 744,159.18 and 348,179

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Solution

The fourth proportional to 539,072.51, 744,159.18 and 348,179 is: 480,641.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,072.51 : 744,159.18 = 348,179 : x
  2. Step 2: Convert to fraction form
    539,072.51/744,159.18 = 348,179/x
  3. Step 3: Cross multiply
    539,072.51x = 744,159.18 × 348,179
  4. Step 4: Simplify right side
    539,072.51x = 259,100,599,133.22
  5. Step 5: Solve for x
    x = 259,100,599,133.22/539,072.51
  6. Step 6: Final answer
    x = 480,641.46

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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.