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Finding the Fourth Proportional to 622,608.80, 933,913.20 and 307,024.70

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Solution

The fourth proportional to 622,608.80, 933,913.20 and 307,024.70 is: 460,537.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,608.80 : 933,913.20 = 307,024.70 : x
  2. Step 2: Convert to fraction form
    622,608.80/933,913.20 = 307,024.70/x
  3. Step 3: Cross multiply
    622,608.80x = 933,913.20 × 307,024.70
  4. Step 4: Simplify right side
    622,608.80x = 286,734,420,056.04
  5. Step 5: Solve for x
    x = 286,734,420,056.04/622,608.80
  6. Step 6: Final answer
    x = 460,537.05

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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.