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Finding the Fourth Proportional to 330,873.80, 496,310.70 and 307,545.80

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Solution

The fourth proportional to 330,873.80, 496,310.70 and 307,545.80 is: 461,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,873.80 : 496,310.70 = 307,545.80 : x
  2. Step 2: Convert to fraction form
    330,873.80/496,310.70 = 307,545.80/x
  3. Step 3: Cross multiply
    330,873.80x = 496,310.70 × 307,545.80
  4. Step 4: Simplify right side
    330,873.80x = 152,638,271,280.06
  5. Step 5: Solve for x
    x = 152,638,271,280.06/330,873.80
  6. Step 6: Final answer
    x = 461,318.70

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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.