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Finding the Fourth Proportional to 302,862.15, 454,293.23 and 243,813.15

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Solution

The fourth proportional to 302,862.15, 454,293.23 and 243,813.15 is: 365,719.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,862.15 : 454,293.23 = 243,813.15 : x
  2. Step 2: Convert to fraction form
    302,862.15/454,293.23 = 243,813.15/x
  3. Step 3: Cross multiply
    302,862.15x = 454,293.23 × 243,813.15
  4. Step 4: Simplify right side
    302,862.15x = 110,762,662,210.91
  5. Step 5: Solve for x
    x = 110,762,662,210.91/302,862.15
  6. Step 6: Final answer
    x = 365,719.73

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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.