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Finding the Fourth Proportional to 609,465.72, 841,202.67 and 405,525.23

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Solution

The fourth proportional to 609,465.72, 841,202.67 and 405,525.23 is: 559,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,465.72 : 841,202.67 = 405,525.23 : x
  2. Step 2: Convert to fraction form
    609,465.72/841,202.67 = 405,525.23/x
  3. Step 3: Cross multiply
    609,465.72x = 841,202.67 × 405,525.23
  4. Step 4: Simplify right side
    609,465.72x = 341,128,909,148.27
  5. Step 5: Solve for x
    x = 341,128,909,148.27/609,465.72
  6. Step 6: Final answer
    x = 559,717.96

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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.