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Finding the Fourth Proportional to 706,168.53, 974,492.10 and 400,273.11

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Solution

The fourth proportional to 706,168.53, 974,492.10 and 400,273.11 is: 552,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,168.53 : 974,492.10 = 400,273.11 : x
  2. Step 2: Convert to fraction form
    706,168.53/974,492.10 = 400,273.11/x
  3. Step 3: Cross multiply
    706,168.53x = 974,492.10 × 400,273.11
  4. Step 4: Simplify right side
    706,168.53x = 390,062,983,537.43
  5. Step 5: Solve for x
    x = 390,062,983,537.43/706,168.53
  6. Step 6: Final answer
    x = 552,365.29

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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.