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Finding the Fourth Proportional to 441,103.18, 661,724 and 188,384.96

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Solution

The fourth proportional to 441,103.18, 661,724 and 188,384.96 is: 282,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,103.18 : 661,724 = 188,384.96 : x
  2. Step 2: Convert to fraction form
    441,103.18/661,724 = 188,384.96/x
  3. Step 3: Cross multiply
    441,103.18x = 661,724 × 188,384.96
  4. Step 4: Simplify right side
    441,103.18x = 124,658,849,271.04
  5. Step 5: Solve for x
    x = 124,658,849,271.04/441,103.18
  6. Step 6: Final answer
    x = 282,607.01

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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.