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Finding the Fourth Proportional to 554,498.40, 832,136.40 and 239,181.60

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Solution

The fourth proportional to 554,498.40, 832,136.40 and 239,181.60 is: 358,940.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,498.40 : 832,136.40 = 239,181.60 : x
  2. Step 2: Convert to fraction form
    554,498.40/832,136.40 = 239,181.60/x
  3. Step 3: Cross multiply
    554,498.40x = 832,136.40 × 239,181.60
  4. Step 4: Simplify right side
    554,498.40x = 199,031,715,570.24
  5. Step 5: Solve for x
    x = 199,031,715,570.24/554,498.40
  6. Step 6: Final answer
    x = 358,940.11

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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.