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Finding the Fourth Proportional to 508,411.61, 702,536.28 and 370,350.17

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Solution

The fourth proportional to 508,411.61, 702,536.28 and 370,350.17 is: 511,759.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,411.61 : 702,536.28 = 370,350.17 : x
  2. Step 2: Convert to fraction form
    508,411.61/702,536.28 = 370,350.17/x
  3. Step 3: Cross multiply
    508,411.61x = 702,536.28 × 370,350.17
  4. Step 4: Simplify right side
    508,411.61x = 260,184,430,729.17
  5. Step 5: Solve for x
    x = 260,184,430,729.17/508,411.61
  6. Step 6: Final answer
    x = 511,759.42

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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.