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Finding the Fourth Proportional to 626,604.14, 864,714.76 and 340,124.16

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Solution

The fourth proportional to 626,604.14, 864,714.76 and 340,124.16 is: 469,371.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,604.14 : 864,714.76 = 340,124.16 : x
  2. Step 2: Convert to fraction form
    626,604.14/864,714.76 = 340,124.16/x
  3. Step 3: Cross multiply
    626,604.14x = 864,714.76 × 340,124.16
  4. Step 4: Simplify right side
    626,604.14x = 294,110,381,384.60
  5. Step 5: Solve for x
    x = 294,110,381,384.60/626,604.14
  6. Step 6: Final answer
    x = 469,371.91

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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.