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Finding the Fourth Proportional to 343,492.16, 515,552.56 and 175,133.20

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Solution

The fourth proportional to 343,492.16, 515,552.56 and 175,133.20 is: 262,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,492.16 : 515,552.56 = 175,133.20 : x
  2. Step 2: Convert to fraction form
    343,492.16/515,552.56 = 175,133.20/x
  3. Step 3: Cross multiply
    343,492.16x = 515,552.56 × 175,133.20
  4. Step 4: Simplify right side
    343,492.16x = 90,290,369,600.99
  5. Step 5: Solve for x
    x = 90,290,369,600.99/343,492.16
  6. Step 6: Final answer
    x = 262,860.06

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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.