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Finding the Fourth Proportional to 466,547.30, 699,689.73 and 129,506.30

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Solution

The fourth proportional to 466,547.30, 699,689.73 and 129,506.30 is: 194,223.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,547.30 : 699,689.73 = 129,506.30 : x
  2. Step 2: Convert to fraction form
    466,547.30/699,689.73 = 129,506.30/x
  3. Step 3: Cross multiply
    466,547.30x = 699,689.73 × 129,506.30
  4. Step 4: Simplify right side
    466,547.30x = 90,614,228,080.30
  5. Step 5: Solve for x
    x = 90,614,228,080.30/466,547.30
  6. Step 6: Final answer
    x = 194,223.03

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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.