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Finding the Fourth Proportional to 296,752.87, 445,574.00 and 256,894.80

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Solution

The fourth proportional to 296,752.87, 445,574.00 and 256,894.80 is: 385,727.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,752.87 : 445,574.00 = 256,894.80 : x
  2. Step 2: Convert to fraction form
    296,752.87/445,574.00 = 256,894.80/x
  3. Step 3: Cross multiply
    296,752.87x = 445,574.00 × 256,894.80
  4. Step 4: Simplify right side
    296,752.87x = 114,465,640,102.86
  5. Step 5: Solve for x
    x = 114,465,640,102.86/296,752.87
  6. Step 6: Final answer
    x = 385,727.15

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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.