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Finding the Fourth Proportional to 506,302.88, 759,569.52 and 269,520.80

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Solution

The fourth proportional to 506,302.88, 759,569.52 and 269,520.80 is: 404,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,302.88 : 759,569.52 = 269,520.80 : x
  2. Step 2: Convert to fraction form
    506,302.88/759,569.52 = 269,520.80/x
  3. Step 3: Cross multiply
    506,302.88x = 759,569.52 × 269,520.80
  4. Step 4: Simplify right side
    506,302.88x = 204,719,784,686.02
  5. Step 5: Solve for x
    x = 204,719,784,686.02/506,302.88
  6. Step 6: Final answer
    x = 404,342.52

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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.