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Finding the Fourth Proportional to 544,038.60, 816,173.10 and 164,928.20

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Solution

The fourth proportional to 544,038.60, 816,173.10 and 164,928.20 is: 247,427.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,038.60 : 816,173.10 = 164,928.20 : x
  2. Step 2: Convert to fraction form
    544,038.60/816,173.10 = 164,928.20/x
  3. Step 3: Cross multiply
    544,038.60x = 816,173.10 × 164,928.20
  4. Step 4: Simplify right side
    544,038.60x = 134,609,960,271.42
  5. Step 5: Solve for x
    x = 134,609,960,271.42/544,038.60
  6. Step 6: Final answer
    x = 247,427.22

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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.