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Finding the Fourth Proportional to 609,407.04, 840,960.64 and 337,486.26

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Solution

The fourth proportional to 609,407.04, 840,960.64 and 337,486.26 is: 465,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,407.04 : 840,960.64 = 337,486.26 : x
  2. Step 2: Convert to fraction form
    609,407.04/840,960.64 = 337,486.26/x
  3. Step 3: Cross multiply
    609,407.04x = 840,960.64 × 337,486.26
  4. Step 4: Simplify right side
    609,407.04x = 283,812,656,152.29
  5. Step 5: Solve for x
    x = 283,812,656,152.29/609,407.04
  6. Step 6: Final answer
    x = 465,719.36

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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.