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Finding the Fourth Proportional to 668,950.16, 923,151.54 and 382,475.84

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Solution

The fourth proportional to 668,950.16, 923,151.54 and 382,475.84 is: 527,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,950.16 : 923,151.54 = 382,475.84 : x
  2. Step 2: Convert to fraction form
    668,950.16/923,151.54 = 382,475.84/x
  3. Step 3: Cross multiply
    668,950.16x = 923,151.54 × 382,475.84
  4. Step 4: Simplify right side
    668,950.16x = 353,083,160,708.79
  5. Step 5: Solve for x
    x = 353,083,160,708.79/668,950.16
  6. Step 6: Final answer
    x = 527,816.84

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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.