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Finding the Fourth Proportional to 539,253.03, 744,036.48 and 329,648.01

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Solution

The fourth proportional to 539,253.03, 744,036.48 and 329,648.01 is: 454,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,253.03 : 744,036.48 = 329,648.01 : x
  2. Step 2: Convert to fraction form
    539,253.03/744,036.48 = 329,648.01/x
  3. Step 3: Cross multiply
    539,253.03x = 744,036.48 × 329,648.01
  4. Step 4: Simplify right side
    539,253.03x = 245,270,144,999.41
  5. Step 5: Solve for x
    x = 245,270,144,999.41/539,253.03
  6. Step 6: Final answer
    x = 454,833.13

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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.