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Finding the Fourth Proportional to 556,951.56, 768,572.61 and 302,297.28

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Solution

The fourth proportional to 556,951.56, 768,572.61 and 302,297.28 is: 417,159.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,951.56 : 768,572.61 = 302,297.28 : x
  2. Step 2: Convert to fraction form
    556,951.56/768,572.61 = 302,297.28/x
  3. Step 3: Cross multiply
    556,951.56x = 768,572.61 × 302,297.28
  4. Step 4: Simplify right side
    556,951.56x = 232,337,409,485.50
  5. Step 5: Solve for x
    x = 232,337,409,485.50/556,951.56
  6. Step 6: Final answer
    x = 417,159.10

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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.