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Finding the Fourth Proportional to 605,221.10, 907,831.65 and 184,442.30

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Solution

The fourth proportional to 605,221.10, 907,831.65 and 184,442.30 is: 276,663.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,221.10 : 907,831.65 = 184,442.30 : x
  2. Step 2: Convert to fraction form
    605,221.10/907,831.65 = 184,442.30/x
  3. Step 3: Cross multiply
    605,221.10x = 907,831.65 × 184,442.30
  4. Step 4: Simplify right side
    605,221.10x = 167,442,557,538.80
  5. Step 5: Solve for x
    x = 167,442,557,538.80/605,221.10
  6. Step 6: Final answer
    x = 276,663.45

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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.