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Finding the Fourth Proportional to 592,919.92, 818,222.88 and 320,981.32

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Solution

The fourth proportional to 592,919.92, 818,222.88 and 320,981.32 is: 442,950.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,919.92 : 818,222.88 = 320,981.32 : x
  2. Step 2: Convert to fraction form
    592,919.92/818,222.88 = 320,981.32/x
  3. Step 3: Cross multiply
    592,919.92x = 818,222.88 × 320,981.32
  4. Step 4: Simplify right side
    592,919.92x = 262,634,260,076.60
  5. Step 5: Solve for x
    x = 262,634,260,076.60/592,919.92
  6. Step 6: Final answer
    x = 442,950.64

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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.