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Finding the Fourth Proportional to 585,689.40, 877,615.20 and 348,902.64

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Solution

The fourth proportional to 585,689.40, 877,615.20 and 348,902.64 is: 522,806.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,689.40 : 877,615.20 = 348,902.64 : x
  2. Step 2: Convert to fraction form
    585,689.40/877,615.20 = 348,902.64/x
  3. Step 3: Cross multiply
    585,689.40x = 877,615.20 × 348,902.64
  4. Step 4: Simplify right side
    585,689.40x = 306,202,260,184.13
  5. Step 5: Solve for x
    x = 306,202,260,184.13/585,689.40
  6. Step 6: Final answer
    x = 522,806.56

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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.