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Finding the Fourth Proportional to 554,995.62, 830,120.49 and 463,252.77

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Solution

The fourth proportional to 554,995.62, 830,120.49 and 463,252.77 is: 692,898.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,995.62 : 830,120.49 = 463,252.77 : x
  2. Step 2: Convert to fraction form
    554,995.62/830,120.49 = 463,252.77/x
  3. Step 3: Cross multiply
    554,995.62x = 830,120.49 × 463,252.77
  4. Step 4: Simplify right side
    554,995.62x = 384,555,616,426.26
  5. Step 5: Solve for x
    x = 384,555,616,426.26/554,995.62
  6. Step 6: Final answer
    x = 692,898.47

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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.