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Finding the Fourth Proportional to 307,397.53, 460,779.59 and 117,813.79

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Solution

The fourth proportional to 307,397.53, 460,779.59 and 117,813.79 is: 176,599.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,397.53 : 460,779.59 = 117,813.79 : x
  2. Step 2: Convert to fraction form
    307,397.53/460,779.59 = 117,813.79/x
  3. Step 3: Cross multiply
    307,397.53x = 460,779.59 × 117,813.79
  4. Step 4: Simplify right side
    307,397.53x = 54,286,190,060.35
  5. Step 5: Solve for x
    x = 54,286,190,060.35/307,397.53
  6. Step 6: Final answer
    x = 176,599.30

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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.