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Finding the Fourth Proportional to 617,763,602.56, 852,566,348.28 and 349,887,088.24

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Solution

The fourth proportional to 617,763,602.56, 852,566,348.28 and 349,887,088.24 is: 482,873,960.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,763,602.56 : 852,566,348.28 = 349,887,088.24 : x
  2. Step 2: Convert to fraction form
    617,763,602.56/852,566,348.28 = 349,887,088.24/x
  3. Step 3: Cross multiply
    617,763,602.56x = 852,566,348.28 × 349,887,088.24
  4. Step 4: Simplify right side
    617,763,602.56x = 298,301,957,131,098,944
  5. Step 5: Solve for x
    x = 298,301,957,131,098,944/617,763,602.56
  6. Step 6: Final answer
    x = 482,873,960.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.