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Finding the Fourth Proportional to 657,107.60, 985,661.40 and 590,752.40

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Solution

The fourth proportional to 657,107.60, 985,661.40 and 590,752.40 is: 886,128.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,107.60 : 985,661.40 = 590,752.40 : x
  2. Step 2: Convert to fraction form
    657,107.60/985,661.40 = 590,752.40/x
  3. Step 3: Cross multiply
    657,107.60x = 985,661.40 × 590,752.40
  4. Step 4: Simplify right side
    657,107.60x = 582,281,837,637.36
  5. Step 5: Solve for x
    x = 582,281,837,637.36/657,107.60
  6. Step 6: Final answer
    x = 886,128.60

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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.