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Finding the Fourth Proportional to 584,638.62, 806,795.17 and 330,000.54

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Solution

The fourth proportional to 584,638.62, 806,795.17 and 330,000.54 is: 455,397.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,638.62 : 806,795.17 = 330,000.54 : x
  2. Step 2: Convert to fraction form
    584,638.62/806,795.17 = 330,000.54/x
  3. Step 3: Cross multiply
    584,638.62x = 806,795.17 × 330,000.54
  4. Step 4: Simplify right side
    584,638.62x = 266,242,841,769.39
  5. Step 5: Solve for x
    x = 266,242,841,769.39/584,638.62
  6. Step 6: Final answer
    x = 455,397.29

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1.5x scale

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.