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Finding the Fourth Proportional to 317,430.56, 476,093.88 and 117,704

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Solution

The fourth proportional to 317,430.56, 476,093.88 and 117,704 is: 176,536.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,430.56 : 476,093.88 = 117,704 : x
  2. Step 2: Convert to fraction form
    317,430.56/476,093.88 = 117,704/x
  3. Step 3: Cross multiply
    317,430.56x = 476,093.88 × 117,704
  4. Step 4: Simplify right side
    317,430.56x = 56,038,154,051.52
  5. Step 5: Solve for x
    x = 56,038,154,051.52/317,430.56
  6. Step 6: Final answer
    x = 176,536.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.