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Finding the Fourth Proportional to 626,330, 939,492.46 and 226,877.28

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Solution

The fourth proportional to 626,330, 939,492.46 and 226,877.28 is: 340,315.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,330 : 939,492.46 = 226,877.28 : x
  2. Step 2: Convert to fraction form
    626,330/939,492.46 = 226,877.28/x
  3. Step 3: Cross multiply
    626,330x = 939,492.46 × 226,877.28
  4. Step 4: Simplify right side
    626,330x = 213,149,493,905.31
  5. Step 5: Solve for x
    x = 213,149,493,905.31/626,330
  6. Step 6: Final answer
    x = 340,315.00

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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.