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Finding the Fourth Proportional to 432,679, 596,709.16 and 360,321.51

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Solution

The fourth proportional to 432,679, 596,709.16 and 360,321.51 is: 496,920.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,679 : 596,709.16 = 360,321.51 : x
  2. Step 2: Convert to fraction form
    432,679/596,709.16 = 360,321.51/x
  3. Step 3: Cross multiply
    432,679x = 596,709.16 × 360,321.51
  4. Step 4: Simplify right side
    432,679x = 215,007,145,562.03
  5. Step 5: Solve for x
    x = 215,007,145,562.03/432,679
  6. Step 6: Final answer
    x = 496,920.69

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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.