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Finding the Fourth Proportional to 546,769.84, 820,431.38 and 368,903.04

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Solution

The fourth proportional to 546,769.84, 820,431.38 and 368,903.04 is: 553,541.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,769.84 : 820,431.38 = 368,903.04 : x
  2. Step 2: Convert to fraction form
    546,769.84/820,431.38 = 368,903.04/x
  3. Step 3: Cross multiply
    546,769.84x = 820,431.38 × 368,903.04
  4. Step 4: Simplify right side
    546,769.84x = 302,659,630,193.40
  5. Step 5: Solve for x
    x = 302,659,630,193.40/546,769.84
  6. Step 6: Final answer
    x = 553,541.19

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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.