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Finding the Fourth Proportional to 556,172.91, 767,518.61 and 301,524.10

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Solution

The fourth proportional to 556,172.91, 767,518.61 and 301,524.10 is: 416,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,172.91 : 767,518.61 = 301,524.10 : x
  2. Step 2: Convert to fraction form
    556,172.91/767,518.61 = 301,524.10/x
  3. Step 3: Cross multiply
    556,172.91x = 767,518.61 × 301,524.10
  4. Step 4: Simplify right side
    556,172.91x = 231,425,356,948.52
  5. Step 5: Solve for x
    x = 231,425,356,948.52/556,172.91
  6. Step 6: Final answer
    x = 416,103.25

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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.