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Finding the Fourth Proportional to 622,608.30, 933,912.45 and 307,024.20

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Solution

The fourth proportional to 622,608.30, 933,912.45 and 307,024.20 is: 460,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,608.30 : 933,912.45 = 307,024.20 : x
  2. Step 2: Convert to fraction form
    622,608.30/933,912.45 = 307,024.20/x
  3. Step 3: Cross multiply
    622,608.30x = 933,912.45 × 307,024.20
  4. Step 4: Simplify right side
    622,608.30x = 286,733,722,831.29
  5. Step 5: Solve for x
    x = 286,733,722,831.29/622,608.30
  6. Step 6: Final answer
    x = 460,536.30

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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.