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Finding the Fourth Proportional to 592,604.22, 817,788.11 and 320,666.16

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Solution

The fourth proportional to 592,604.22, 817,788.11 and 320,666.16 is: 442,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,604.22 : 817,788.11 = 320,666.16 : x
  2. Step 2: Convert to fraction form
    592,604.22/817,788.11 = 320,666.16/x
  3. Step 3: Cross multiply
    592,604.22x = 817,788.11 × 320,666.16
  4. Step 4: Simplify right side
    592,604.22x = 262,236,971,324.03
  5. Step 5: Solve for x
    x = 262,236,971,324.03/592,604.22
  6. Step 6: Final answer
    x = 442,516.21

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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.