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Finding the Fourth Proportional to 556,885.53, 768,497.51 and 302,236.83

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Solution

The fourth proportional to 556,885.53, 768,497.51 and 302,236.83 is: 417,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,885.53 : 768,497.51 = 302,236.83 : x
  2. Step 2: Convert to fraction form
    556,885.53/768,497.51 = 302,236.83/x
  3. Step 3: Cross multiply
    556,885.53x = 768,497.51 × 302,236.83
  4. Step 4: Simplify right side
    556,885.53x = 232,268,249,774.11
  5. Step 5: Solve for x
    x = 232,268,249,774.11/556,885.53
  6. Step 6: Final answer
    x = 417,084.37

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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.