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Finding the Fourth Proportional to 609,801.75, 841,052.55 and 416,365.05

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Solution

The fourth proportional to 609,801.75, 841,052.55 and 416,365.05 is: 574,260.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,801.75 : 841,052.55 = 416,365.05 : x
  2. Step 2: Convert to fraction form
    609,801.75/841,052.55 = 416,365.05/x
  3. Step 3: Cross multiply
    609,801.75x = 841,052.55 × 416,365.05
  4. Step 4: Simplify right side
    609,801.75x = 350,184,887,033.38
  5. Step 5: Solve for x
    x = 350,184,887,033.38/609,801.75
  6. Step 6: Final answer
    x = 574,260.22

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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.