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Finding the Fourth Proportional to 374,934.30, 562,401.45 and 346,065.90

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Solution

The fourth proportional to 374,934.30, 562,401.45 and 346,065.90 is: 519,098.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,934.30 : 562,401.45 = 346,065.90 : x
  2. Step 2: Convert to fraction form
    374,934.30/562,401.45 = 346,065.90/x
  3. Step 3: Cross multiply
    374,934.30x = 562,401.45 × 346,065.90
  4. Step 4: Simplify right side
    374,934.30x = 194,627,963,955.56
  5. Step 5: Solve for x
    x = 194,627,963,955.56/374,934.30
  6. Step 6: Final answer
    x = 519,098.85

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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.