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Finding the Fourth Proportional to 609,634.16, 841,308.60 and 347,984.08

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Solution

The fourth proportional to 609,634.16, 841,308.60 and 347,984.08 is: 480,225.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,634.16 : 841,308.60 = 347,984.08 : x
  2. Step 2: Convert to fraction form
    609,634.16/841,308.60 = 347,984.08/x
  3. Step 3: Cross multiply
    609,634.16x = 841,308.60 × 347,984.08
  4. Step 4: Simplify right side
    609,634.16x = 292,761,999,167.09
  5. Step 5: Solve for x
    x = 292,761,999,167.09/609,634.16
  6. Step 6: Final answer
    x = 480,225.71

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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.