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Finding the Fourth Proportional to 585,071.52, 877,433.40 and 248,107.20

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Solution

The fourth proportional to 585,071.52, 877,433.40 and 248,107.20 is: 372,087.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,071.52 : 877,433.40 = 248,107.20 : x
  2. Step 2: Convert to fraction form
    585,071.52/877,433.40 = 248,107.20/x
  3. Step 3: Cross multiply
    585,071.52x = 877,433.40 × 248,107.20
  4. Step 4: Simplify right side
    585,071.52x = 217,697,544,060.48
  5. Step 5: Solve for x
    x = 217,697,544,060.48/585,071.52
  6. Step 6: Final answer
    x = 372,087.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.