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Finding the Fourth Proportional to 599,200.40, 899,189.40 and 346,480.40

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Solution

The fourth proportional to 599,200.40, 899,189.40 and 346,480.40 is: 519,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,200.40 : 899,189.40 = 346,480.40 : x
  2. Step 2: Convert to fraction form
    599,200.40/899,189.40 = 346,480.40/x
  3. Step 3: Cross multiply
    599,200.40x = 899,189.40 × 346,480.40
  4. Step 4: Simplify right side
    599,200.40x = 311,551,502,987.76
  5. Step 5: Solve for x
    x = 311,551,502,987.76/599,200.40
  6. Step 6: Final answer
    x = 519,945.42

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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.