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Finding the Fourth Proportional to 592,645.91, 817,851.38 and 320,713.79

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Solution

The fourth proportional to 592,645.91, 817,851.38 and 320,713.79 is: 442,585.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,645.91 : 817,851.38 = 320,713.79 : x
  2. Step 2: Convert to fraction form
    592,645.91/817,851.38 = 320,713.79/x
  3. Step 3: Cross multiply
    592,645.91x = 817,851.38 × 320,713.79
  4. Step 4: Simplify right side
    592,645.91x = 262,296,210,043.70
  5. Step 5: Solve for x
    x = 262,296,210,043.70/592,645.91
  6. Step 6: Final answer
    x = 442,585.04

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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.