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Finding the Fourth Proportional to 592,069.77, 817,056.85 and 320,137.59

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Solution

The fourth proportional to 592,069.77, 817,056.85 and 320,137.59 is: 441,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,069.77 : 817,056.85 = 320,137.59 : x
  2. Step 2: Convert to fraction form
    592,069.77/817,056.85 = 320,137.59/x
  3. Step 3: Cross multiply
    592,069.77x = 817,056.85 × 320,137.59
  4. Step 4: Simplify right side
    592,069.77x = 261,570,610,851.99
  5. Step 5: Solve for x
    x = 261,570,610,851.99/592,069.77
  6. Step 6: Final answer
    x = 441,790.18

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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.