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Finding the Fourth Proportional to 590,501.40, 885,752.10 and 325,080.60

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Solution

The fourth proportional to 590,501.40, 885,752.10 and 325,080.60 is: 487,620.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,501.40 : 885,752.10 = 325,080.60 : x
  2. Step 2: Convert to fraction form
    590,501.40/885,752.10 = 325,080.60/x
  3. Step 3: Cross multiply
    590,501.40x = 885,752.10 × 325,080.60
  4. Step 4: Simplify right side
    590,501.40x = 287,940,824,119.26
  5. Step 5: Solve for x
    x = 287,940,824,119.26/590,501.40
  6. Step 6: Final answer
    x = 487,620.90

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Similar ratio
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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.