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Finding the Fourth Proportional to 303,140.60, 454,710.90 and 236,218.40

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Solution

The fourth proportional to 303,140.60, 454,710.90 and 236,218.40 is: 354,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,140.60 : 454,710.90 = 236,218.40 : x
  2. Step 2: Convert to fraction form
    303,140.60/454,710.90 = 236,218.40/x
  3. Step 3: Cross multiply
    303,140.60x = 454,710.90 × 236,218.40
  4. Step 4: Simplify right side
    303,140.60x = 107,411,081,260.56
  5. Step 5: Solve for x
    x = 107,411,081,260.56/303,140.60
  6. Step 6: Final answer
    x = 354,327.60

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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.