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Finding the Fourth Proportional to 609,907.92, 841,677.87 and 337,980.35

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Solution

The fourth proportional to 609,907.92, 841,677.87 and 337,980.35 is: 466,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,907.92 : 841,677.87 = 337,980.35 : x
  2. Step 2: Convert to fraction form
    609,907.92/841,677.87 = 337,980.35/x
  3. Step 3: Cross multiply
    609,907.92x = 841,677.87 × 337,980.35
  4. Step 4: Simplify right side
    609,907.92x = 284,470,576,881.47
  5. Step 5: Solve for x
    x = 284,470,576,881.47/609,907.92
  6. Step 6: Final answer
    x = 466,415.61

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Double scale
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Similar ratio
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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.