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Finding the Fourth Proportional to 574,526.51, 792,816.20 and 329,498.61

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Solution

The fourth proportional to 574,526.51, 792,816.20 and 329,498.61 is: 454,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,526.51 : 792,816.20 = 329,498.61 : x
  2. Step 2: Convert to fraction form
    574,526.51/792,816.20 = 329,498.61/x
  3. Step 3: Cross multiply
    574,526.51x = 792,816.20 × 329,498.61
  4. Step 4: Simplify right side
    574,526.51x = 261,231,834,237.99
  5. Step 5: Solve for x
    x = 261,231,834,237.99/574,526.51
  6. Step 6: Final answer
    x = 454,690.66

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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.