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Finding the Fourth Proportional to 508,592,343, 763,002,238.50 and 185,476,215

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Solution

The fourth proportional to 508,592,343, 763,002,238.50 and 185,476,215 is: 278,255,795.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,592,343 : 763,002,238.50 = 185,476,215 : x
  2. Step 2: Convert to fraction form
    508,592,343/763,002,238.50 = 185,476,215/x
  3. Step 3: Cross multiply
    508,592,343x = 763,002,238.50 × 185,476,215
  4. Step 4: Simplify right side
    508,592,343x = 141,518,767,233,507,280
  5. Step 5: Solve for x
    x = 141,518,767,233,507,280/508,592,343
  6. Step 6: Final answer
    x = 278,255,795.99

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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.