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Finding the Fourth Proportional to 541,823.40, 813,123.90 and 304,914.60

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Solution

The fourth proportional to 541,823.40, 813,123.90 and 304,914.60 is: 457,590.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,823.40 : 813,123.90 = 304,914.60 : x
  2. Step 2: Convert to fraction form
    541,823.40/813,123.90 = 304,914.60/x
  3. Step 3: Cross multiply
    541,823.40x = 813,123.90 × 304,914.60
  4. Step 4: Simplify right side
    541,823.40x = 247,933,348,718.94
  5. Step 5: Solve for x
    x = 247,933,348,718.94/541,823.40
  6. Step 6: Final answer
    x = 457,590.70

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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.