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Finding the Fourth Proportional to 548,345.46, 756,907.23 and 376,831.26

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Solution

The fourth proportional to 548,345.46, 756,907.23 and 376,831.26 is: 520,158.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,345.46 : 756,907.23 = 376,831.26 : x
  2. Step 2: Convert to fraction form
    548,345.46/756,907.23 = 376,831.26/x
  3. Step 3: Cross multiply
    548,345.46x = 756,907.23 × 376,831.26
  4. Step 4: Simplify right side
    548,345.46x = 285,226,305,184.01
  5. Step 5: Solve for x
    x = 285,226,305,184.01/548,345.46
  6. Step 6: Final answer
    x = 520,158.05

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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.