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Finding the Fourth Proportional to 295,329.70, 442,994.55 and 264,225.70

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Solution

The fourth proportional to 295,329.70, 442,994.55 and 264,225.70 is: 396,338.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,329.70 : 442,994.55 = 264,225.70 : x
  2. Step 2: Convert to fraction form
    295,329.70/442,994.55 = 264,225.70/x
  3. Step 3: Cross multiply
    295,329.70x = 442,994.55 × 264,225.70
  4. Step 4: Simplify right side
    295,329.70x = 117,050,545,069.94
  5. Step 5: Solve for x
    x = 117,050,545,069.94/295,329.70
  6. Step 6: Final answer
    x = 396,338.55

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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.