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Finding the Fourth Proportional to 302,565.80, 453,945.90 and 202,838.60

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Solution

The fourth proportional to 302,565.80, 453,945.90 and 202,838.60 is: 304,323.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,565.80 : 453,945.90 = 202,838.60 : x
  2. Step 2: Convert to fraction form
    302,565.80/453,945.90 = 202,838.60/x
  3. Step 3: Cross multiply
    302,565.80x = 453,945.90 × 202,838.60
  4. Step 4: Simplify right side
    302,565.80x = 92,077,750,831.74
  5. Step 5: Solve for x
    x = 92,077,750,831.74/302,565.80
  6. Step 6: Final answer
    x = 304,323.06

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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.