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Finding the Fourth Proportional to 556,926.06, 768,558.72 and 302,277.27

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Solution

The fourth proportional to 556,926.06, 768,558.72 and 302,277.27 is: 417,143.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,926.06 : 768,558.72 = 302,277.27 : x
  2. Step 2: Convert to fraction form
    556,926.06/768,558.72 = 302,277.27/x
  3. Step 3: Cross multiply
    556,926.06x = 768,558.72 × 302,277.27
  4. Step 4: Simplify right side
    556,926.06x = 232,317,831,716.29
  5. Step 5: Solve for x
    x = 232,317,831,716.29/556,926.06
  6. Step 6: Final answer
    x = 417,143.04

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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.