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Finding the Fourth Proportional to 302,875.40, 454,313.10 and 243,826.40

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Solution

The fourth proportional to 302,875.40, 454,313.10 and 243,826.40 is: 365,739.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,875.40 : 454,313.10 = 243,826.40 : x
  2. Step 2: Convert to fraction form
    302,875.40/454,313.10 = 243,826.40/x
  3. Step 3: Cross multiply
    302,875.40x = 454,313.10 × 243,826.40
  4. Step 4: Simplify right side
    302,875.40x = 110,773,527,645.84
  5. Step 5: Solve for x
    x = 110,773,527,645.84/302,875.40
  6. Step 6: Final answer
    x = 365,739.60

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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.