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Finding the Fourth Proportional to 303,341.04, 454,642.56 and 214,620.12

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Solution

The fourth proportional to 303,341.04, 454,642.56 and 214,620.12 is: 321,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,341.04 : 454,642.56 = 214,620.12 : x
  2. Step 2: Convert to fraction form
    303,341.04/454,642.56 = 214,620.12/x
  3. Step 3: Cross multiply
    303,341.04x = 454,642.56 × 214,620.12
  4. Step 4: Simplify right side
    303,341.04x = 97,575,440,784.31
  5. Step 5: Solve for x
    x = 97,575,440,784.31/303,341.04
  6. Step 6: Final answer
    x = 321,669.10

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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.