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Finding the Fourth Proportional to 590,581.20, 885,756.60 and 191,125.20

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Solution

The fourth proportional to 590,581.20, 885,756.60 and 191,125.20 is: 286,650.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,581.20 : 885,756.60 = 191,125.20 : x
  2. Step 2: Convert to fraction form
    590,581.20/885,756.60 = 191,125.20/x
  3. Step 3: Cross multiply
    590,581.20x = 885,756.60 × 191,125.20
  4. Step 4: Simplify right side
    590,581.20x = 169,290,407,326.32
  5. Step 5: Solve for x
    x = 169,290,407,326.32/590,581.20
  6. Step 6: Final answer
    x = 286,650.52

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Double scale
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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.