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Finding the Fourth Proportional to 586,014.80, 879,022.20 and 211,950.32

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Solution

The fourth proportional to 586,014.80, 879,022.20 and 211,950.32 is: 317,925.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,014.80 : 879,022.20 = 211,950.32 : x
  2. Step 2: Convert to fraction form
    586,014.80/879,022.20 = 211,950.32/x
  3. Step 3: Cross multiply
    586,014.80x = 879,022.20 × 211,950.32
  4. Step 4: Simplify right side
    586,014.80x = 186,309,036,577.10
  5. Step 5: Solve for x
    x = 186,309,036,577.10/586,014.80
  6. Step 6: Final answer
    x = 317,925.48

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.