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Finding the Fourth Proportional to 556,896.52, 768,497.70 and 302,242.60

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Solution

The fourth proportional to 556,896.52, 768,497.70 and 302,242.60 is: 417,084.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,896.52 : 768,497.70 = 302,242.60 : x
  2. Step 2: Convert to fraction form
    556,896.52/768,497.70 = 302,242.60/x
  3. Step 3: Cross multiply
    556,896.52x = 768,497.70 × 302,242.60
  4. Step 4: Simplify right side
    556,896.52x = 232,272,742,942.02
  5. Step 5: Solve for x
    x = 232,272,742,942.02/556,896.52
  6. Step 6: Final answer
    x = 417,084.21

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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.