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Finding the Fourth Proportional to 609,277.49, 840,829.23 and 337,345.40

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Solution

The fourth proportional to 609,277.49, 840,829.23 and 337,345.40 is: 465,551.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,277.49 : 840,829.23 = 337,345.40 : x
  2. Step 2: Convert to fraction form
    609,277.49/840,829.23 = 337,345.40/x
  3. Step 3: Cross multiply
    609,277.49x = 840,829.23 × 337,345.40
  4. Step 4: Simplify right side
    609,277.49x = 283,649,871,239.32
  5. Step 5: Solve for x
    x = 283,649,871,239.32/609,277.49
  6. Step 6: Final answer
    x = 465,551.21

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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.