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Finding the Fourth Proportional to 590,606.40, 885,909.60 and 275,095.20

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Solution

The fourth proportional to 590,606.40, 885,909.60 and 275,095.20 is: 412,642.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,606.40 : 885,909.60 = 275,095.20 : x
  2. Step 2: Convert to fraction form
    590,606.40/885,909.60 = 275,095.20/x
  3. Step 3: Cross multiply
    590,606.40x = 885,909.60 × 275,095.20
  4. Step 4: Simplify right side
    590,606.40x = 243,709,478,593.92
  5. Step 5: Solve for x
    x = 243,709,478,593.92/590,606.40
  6. Step 6: Final answer
    x = 412,642.80

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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.