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Finding the Fourth Proportional to 631,528.73, 871,510.58 and 359,596.85

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Solution

The fourth proportional to 631,528.73, 871,510.58 and 359,596.85 is: 496,244.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,528.73 : 871,510.58 = 359,596.85 : x
  2. Step 2: Convert to fraction form
    631,528.73/871,510.58 = 359,596.85/x
  3. Step 3: Cross multiply
    631,528.73x = 871,510.58 × 359,596.85
  4. Step 4: Simplify right side
    631,528.73x = 313,392,455,513.99
  5. Step 5: Solve for x
    x = 313,392,455,513.99/631,528.73
  6. Step 6: Final answer
    x = 496,244.18

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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.