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Finding the Fourth Proportional to 626,682.50, 864,822.93 and 358,410.50

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Solution

The fourth proportional to 626,682.50, 864,822.93 and 358,410.50 is: 494,607.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,682.50 : 864,822.93 = 358,410.50 : x
  2. Step 2: Convert to fraction form
    626,682.50/864,822.93 = 358,410.50/x
  3. Step 3: Cross multiply
    626,682.50x = 864,822.93 × 358,410.50
  4. Step 4: Simplify right side
    626,682.50x = 309,961,618,752.77
  5. Step 5: Solve for x
    x = 309,961,618,752.77/626,682.50
  6. Step 6: Final answer
    x = 494,607.11

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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.