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Finding the Fourth Proportional to 554,225.12, 831,710.61 and 194,399.22

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Solution

The fourth proportional to 554,225.12, 831,710.61 and 194,399.22 is: 291,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,225.12 : 831,710.61 = 194,399.22 : x
  2. Step 2: Convert to fraction form
    554,225.12/831,710.61 = 194,399.22/x
  3. Step 3: Cross multiply
    554,225.12x = 831,710.61 × 194,399.22
  4. Step 4: Simplify right side
    554,225.12x = 161,683,893,849.72
  5. Step 5: Solve for x
    x = 161,683,893,849.72/554,225.12
  6. Step 6: Final answer
    x = 291,729.64

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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.