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Finding the Fourth Proportional to 609,625.54, 841,574.97 and 406,015.30

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Solution

The fourth proportional to 609,625.54, 841,574.97 and 406,015.30 is: 560,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,625.54 : 841,574.97 = 406,015.30 : x
  2. Step 2: Convert to fraction form
    609,625.54/841,574.97 = 406,015.30/x
  3. Step 3: Cross multiply
    609,625.54x = 841,574.97 × 406,015.30
  4. Step 4: Simplify right side
    609,625.54x = 341,692,313,917.04
  5. Step 5: Solve for x
    x = 341,692,313,917.04/609,625.54
  6. Step 6: Final answer
    x = 560,495.40

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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.