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Finding the Fourth Proportional to 657,107.40, 985,661.10 and 590,622.60

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Solution

The fourth proportional to 657,107.40, 985,661.10 and 590,622.60 is: 885,933.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,107.40 : 985,661.10 = 590,622.60 : x
  2. Step 2: Convert to fraction form
    657,107.40/985,661.10 = 590,622.60/x
  3. Step 3: Cross multiply
    657,107.40x = 985,661.10 × 590,622.60
  4. Step 4: Simplify right side
    657,107.40x = 582,153,721,600.86
  5. Step 5: Solve for x
    x = 582,153,721,600.86/657,107.40
  6. Step 6: Final answer
    x = 885,933.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.