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Finding the Fourth Proportional to 484,921,805.40, 727,382,708.10 and 484,921,805.40

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Solution

The fourth proportional to 484,921,805.40, 727,382,708.10 and 484,921,805.40 is: 727,382,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,921,805.40 : 727,382,708.10 = 484,921,805.40 : x
  2. Step 2: Convert to fraction form
    484,921,805.40/727,382,708.10 = 484,921,805.40/x
  3. Step 3: Cross multiply
    484,921,805.40x = 727,382,708.10 × 484,921,805.40
  4. Step 4: Simplify right side
    484,921,805.40x = 352,723,736,028,593,216
  5. Step 5: Solve for x
    x = 352,723,736,028,593,216/484,921,805.40
  6. Step 6: Final answer
    x = 727,382,708.10

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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.