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Finding the Fourth Proportional to 304,766.90, 425,623.90 and 304,766.90

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Solution

The fourth proportional to 304,766.90, 425,623.90 and 304,766.90 is: 425,623.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,766.90 : 425,623.90 = 304,766.90 : x
  2. Step 2: Convert to fraction form
    304,766.90/425,623.90 = 304,766.90/x
  3. Step 3: Cross multiply
    304,766.90x = 425,623.90 × 304,766.90
  4. Step 4: Simplify right side
    304,766.90x = 129,716,076,568.91
  5. Step 5: Solve for x
    x = 129,716,076,568.91/304,766.90
  6. Step 6: Final answer
    x = 425,623.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.