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Finding the Fourth Proportional to 335,633.80, 503,450.70 and 307,640.20

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Solution

The fourth proportional to 335,633.80, 503,450.70 and 307,640.20 is: 461,460.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,633.80 : 503,450.70 = 307,640.20 : x
  2. Step 2: Convert to fraction form
    335,633.80/503,450.70 = 307,640.20/x
  3. Step 3: Cross multiply
    335,633.80x = 503,450.70 × 307,640.20
  4. Step 4: Simplify right side
    335,633.80x = 154,881,674,038.14
  5. Step 5: Solve for x
    x = 154,881,674,038.14/335,633.80
  6. Step 6: Final answer
    x = 461,460.30

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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.