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Finding the Fourth Proportional to 626,957.85, 940,140.31 and 242,886.63

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Solution

The fourth proportional to 626,957.85, 940,140.31 and 242,886.63 is: 364,215.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,957.85 : 940,140.31 = 242,886.63 : x
  2. Step 2: Convert to fraction form
    626,957.85/940,140.31 = 242,886.63/x
  3. Step 3: Cross multiply
    626,957.85x = 940,140.31 × 242,886.63
  4. Step 4: Simplify right side
    626,957.85x = 228,347,511,623.06
  5. Step 5: Solve for x
    x = 228,347,511,623.06/626,957.85
  6. Step 6: Final answer
    x = 364,215.09

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1.5x scale

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.