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Finding the Fourth Proportional to 608,779.62, 839,925.45 and 367,136.10

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Solution

The fourth proportional to 608,779.62, 839,925.45 and 367,136.10 is: 506,532.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,779.62 : 839,925.45 = 367,136.10 : x
  2. Step 2: Convert to fraction form
    608,779.62/839,925.45 = 367,136.10/x
  3. Step 3: Cross multiply
    608,779.62x = 839,925.45 × 367,136.10
  4. Step 4: Simplify right side
    608,779.62x = 308,366,954,003.75
  5. Step 5: Solve for x
    x = 308,366,954,003.75/608,779.62
  6. Step 6: Final answer
    x = 506,532.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.