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Finding the Fourth Proportional to 302,947.65, 454,421.48 and 243,898.65

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Solution

The fourth proportional to 302,947.65, 454,421.48 and 243,898.65 is: 365,847.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,947.65 : 454,421.48 = 243,898.65 : x
  2. Step 2: Convert to fraction form
    302,947.65/454,421.48 = 243,898.65/x
  3. Step 3: Cross multiply
    302,947.65x = 454,421.48 × 243,898.65
  4. Step 4: Simplify right side
    302,947.65x = 110,832,784,283.51
  5. Step 5: Solve for x
    x = 110,832,784,283.51/302,947.65
  6. Step 6: Final answer
    x = 365,847.98

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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.