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Finding the Fourth Proportional to 626,538.80, 939,929.40 and 252,599.60

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Solution

The fourth proportional to 626,538.80, 939,929.40 and 252,599.60 is: 378,948.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,538.80 : 939,929.40 = 252,599.60 : x
  2. Step 2: Convert to fraction form
    626,538.80/939,929.40 = 252,599.60/x
  3. Step 3: Cross multiply
    626,538.80x = 939,929.40 × 252,599.60
  4. Step 4: Simplify right side
    626,538.80x = 237,425,790,468.24
  5. Step 5: Solve for x
    x = 237,425,790,468.24/626,538.80
  6. Step 6: Final answer
    x = 378,948.26

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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.