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Finding the Fourth Proportional to 466,979.77, 700,470.15 and 130,021.12

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Solution

The fourth proportional to 466,979.77, 700,470.15 and 130,021.12 is: 195,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,979.77 : 700,470.15 = 130,021.12 : x
  2. Step 2: Convert to fraction form
    466,979.77/700,470.15 = 130,021.12/x
  3. Step 3: Cross multiply
    466,979.77x = 700,470.15 × 130,021.12
  4. Step 4: Simplify right side
    466,979.77x = 91,075,913,429.57
  5. Step 5: Solve for x
    x = 91,075,913,429.57/466,979.77
  6. Step 6: Final answer
    x = 195,031.82

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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.