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Finding the Fourth Proportional to 466,769.63, 700,155.12 and 129,810.30

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Solution

The fourth proportional to 466,769.63, 700,155.12 and 129,810.30 is: 194,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,769.63 : 700,155.12 = 129,810.30 : x
  2. Step 2: Convert to fraction form
    466,769.63/700,155.12 = 129,810.30/x
  3. Step 3: Cross multiply
    466,769.63x = 700,155.12 × 129,810.30
  4. Step 4: Simplify right side
    466,769.63x = 90,887,346,173.74
  5. Step 5: Solve for x
    x = 90,887,346,173.74/466,769.63
  6. Step 6: Final answer
    x = 194,715.64

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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.