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Finding the Fourth Proportional to 585,618.34, 876,754.05 and 548,417.74

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Solution

The fourth proportional to 585,618.34, 876,754.05 and 548,417.74 is: 821,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,618.34 : 876,754.05 = 548,417.74 : x
  2. Step 2: Convert to fraction form
    585,618.34/876,754.05 = 548,417.74/x
  3. Step 3: Cross multiply
    585,618.34x = 876,754.05 × 548,417.74
  4. Step 4: Simplify right side
    585,618.34x = 480,827,474,636.85
  5. Step 5: Solve for x
    x = 480,827,474,636.85/585,618.34
  6. Step 6: Final answer
    x = 821,059.45

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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.