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Finding the Fourth Proportional to 626,595.40, 864,706.04 and 340,115.44

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Solution

The fourth proportional to 626,595.40, 864,706.04 and 340,115.44 is: 469,361.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,595.40 : 864,706.04 = 340,115.44 : x
  2. Step 2: Convert to fraction form
    626,595.40/864,706.04 = 340,115.44/x
  3. Step 3: Cross multiply
    626,595.40x = 864,706.04 × 340,115.44
  4. Step 4: Simplify right side
    626,595.40x = 294,099,875,265.26
  5. Step 5: Solve for x
    x = 294,099,875,265.26/626,595.40
  6. Step 6: Final answer
    x = 469,361.69

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1.5x scale

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.