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Finding the Fourth Proportional to 605,133.40, 907,700.10 and 184,430.20

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Solution

The fourth proportional to 605,133.40, 907,700.10 and 184,430.20 is: 276,645.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,133.40 : 907,700.10 = 184,430.20 : x
  2. Step 2: Convert to fraction form
    605,133.40/907,700.10 = 184,430.20/x
  3. Step 3: Cross multiply
    605,133.40x = 907,700.10 × 184,430.20
  4. Step 4: Simplify right side
    605,133.40x = 167,407,310,983.02
  5. Step 5: Solve for x
    x = 167,407,310,983.02/605,133.40
  6. Step 6: Final answer
    x = 276,645.30

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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.