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Finding the Fourth Proportional to 303,237.90, 454,966.20 and 292,302.90

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Solution

The fourth proportional to 303,237.90, 454,966.20 and 292,302.90 is: 438,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,237.90 : 454,966.20 = 292,302.90 : x
  2. Step 2: Convert to fraction form
    303,237.90/454,966.20 = 292,302.90/x
  3. Step 3: Cross multiply
    303,237.90x = 454,966.20 × 292,302.90
  4. Step 4: Simplify right side
    303,237.90x = 132,987,939,661.98
  5. Step 5: Solve for x
    x = 132,987,939,661.98/303,237.90
  6. Step 6: Final answer
    x = 438,559.76

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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.