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Finding the Fourth Proportional to 671,109.60, 927,065.34 and 646,194.48

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Solution

The fourth proportional to 671,109.60, 927,065.34 and 646,194.48 is: 892,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,109.60 : 927,065.34 = 646,194.48 : x
  2. Step 2: Convert to fraction form
    671,109.60/927,065.34 = 646,194.48/x
  3. Step 3: Cross multiply
    671,109.60x = 927,065.34 × 646,194.48
  4. Step 4: Simplify right side
    671,109.60x = 599,064,507,730.55
  5. Step 5: Solve for x
    x = 599,064,507,730.55/671,109.60
  6. Step 6: Final answer
    x = 892,647.80

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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.