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Finding the Fourth Proportional to 609,453.96, 841,186.42 and 405,513.47

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Solution

The fourth proportional to 609,453.96, 841,186.42 and 405,513.47 is: 559,701.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,453.96 : 841,186.42 = 405,513.47 : x
  2. Step 2: Convert to fraction form
    609,453.96/841,186.42 = 405,513.47/x
  3. Step 3: Cross multiply
    609,453.96x = 841,186.42 × 405,513.47
  4. Step 4: Simplify right side
    609,453.96x = 341,112,425,180.26
  5. Step 5: Solve for x
    x = 341,112,425,180.26/609,453.96
  6. Step 6: Final answer
    x = 559,701.72

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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.