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Finding the Fourth Proportional to 585,617.84, 876,753.30 and 548,417.24

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Solution

The fourth proportional to 585,617.84, 876,753.30 and 548,417.24 is: 821,058.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,617.84 : 876,753.30 = 548,417.24 : x
  2. Step 2: Convert to fraction form
    585,617.84/876,753.30 = 548,417.24/x
  3. Step 3: Cross multiply
    585,617.84x = 876,753.30 × 548,417.24
  4. Step 4: Simplify right side
    585,617.84x = 480,826,624,946.89
  5. Step 5: Solve for x
    x = 480,826,624,946.89/585,617.84
  6. Step 6: Final answer
    x = 821,058.70

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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.