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Finding the Fourth Proportional to 369,701.68, 554,586.40 and 103,461.44

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Solution

The fourth proportional to 369,701.68, 554,586.40 and 103,461.44 is: 155,201.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,701.68 : 554,586.40 = 103,461.44 : x
  2. Step 2: Convert to fraction form
    369,701.68/554,586.40 = 103,461.44/x
  3. Step 3: Cross multiply
    369,701.68x = 554,586.40 × 103,461.44
  4. Step 4: Simplify right side
    369,701.68x = 57,378,307,548.42
  5. Step 5: Solve for x
    x = 57,378,307,548.42/369,701.68
  6. Step 6: Final answer
    x = 155,201.64

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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.