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Finding the Fourth Proportional to 389,037.78, 537,026.76 and 334,373.58

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Solution

The fourth proportional to 389,037.78, 537,026.76 and 334,373.58 is: 461,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,037.78 : 537,026.76 = 334,373.58 : x
  2. Step 2: Convert to fraction form
    389,037.78/537,026.76 = 334,373.58/x
  3. Step 3: Cross multiply
    389,037.78x = 537,026.76 × 334,373.58
  4. Step 4: Simplify right side
    389,037.78x = 179,567,560,297.00
  5. Step 5: Solve for x
    x = 179,567,560,297.00/389,037.78
  6. Step 6: Final answer
    x = 461,568.44

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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.