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Finding the Fourth Proportional to 484,085.16, 668,022.39 and 266,292.77

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Solution

The fourth proportional to 484,085.16, 668,022.39 and 266,292.77 is: 367,475.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,085.16 : 668,022.39 = 266,292.77 : x
  2. Step 2: Convert to fraction form
    484,085.16/668,022.39 = 266,292.77/x
  3. Step 3: Cross multiply
    484,085.16x = 668,022.39 × 266,292.77
  4. Step 4: Simplify right side
    484,085.16x = 177,889,529,315.01
  5. Step 5: Solve for x
    x = 177,889,529,315.01/484,085.16
  6. Step 6: Final answer
    x = 367,475.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.