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Finding the Fourth Proportional to 707,544.48, 976,362.12 and 401,627.04

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Solution

The fourth proportional to 707,544.48, 976,362.12 and 401,627.04 is: 554,217.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,544.48 : 976,362.12 = 401,627.04 : x
  2. Step 2: Convert to fraction form
    707,544.48/976,362.12 = 401,627.04/x
  3. Step 3: Cross multiply
    707,544.48x = 976,362.12 × 401,627.04
  4. Step 4: Simplify right side
    707,544.48x = 392,133,428,223.73
  5. Step 5: Solve for x
    x = 392,133,428,223.73/707,544.48
  6. Step 6: Final answer
    x = 554,217.35

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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.