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Finding the Fourth Proportional to 556,483.68, 767,948.58 and 301,835.88

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Solution

The fourth proportional to 556,483.68, 767,948.58 and 301,835.88 is: 416,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,483.68 : 767,948.58 = 301,835.88 : x
  2. Step 2: Convert to fraction form
    556,483.68/767,948.58 = 301,835.88/x
  3. Step 3: Cross multiply
    556,483.68x = 767,948.58 × 301,835.88
  4. Step 4: Simplify right side
    556,483.68x = 231,794,435,439.05
  5. Step 5: Solve for x
    x = 231,794,435,439.05/556,483.68
  6. Step 6: Final answer
    x = 416,534.11

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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.