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Finding the Fourth Proportional to 556,598.87, 768,106.22 and 301,950.05

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Solution

The fourth proportional to 556,598.87, 768,106.22 and 301,950.05 is: 416,690.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,598.87 : 768,106.22 = 301,950.05 : x
  2. Step 2: Convert to fraction form
    556,598.87/768,106.22 = 301,950.05/x
  3. Step 3: Cross multiply
    556,598.87x = 768,106.22 × 301,950.05
  4. Step 4: Simplify right side
    556,598.87x = 231,929,711,944.83
  5. Step 5: Solve for x
    x = 231,929,711,944.83/556,598.87
  6. Step 6: Final answer
    x = 416,690.95

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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.