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Finding the Fourth Proportional to 430,609.37, 594,218.84 and 328,706.10

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Solution

The fourth proportional to 430,609.37, 594,218.84 and 328,706.10 is: 453,597.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,609.37 : 594,218.84 = 328,706.10 : x
  2. Step 2: Convert to fraction form
    430,609.37/594,218.84 = 328,706.10/x
  3. Step 3: Cross multiply
    430,609.37x = 594,218.84 × 328,706.10
  4. Step 4: Simplify right side
    430,609.37x = 195,323,355,799.39
  5. Step 5: Solve for x
    x = 195,323,355,799.39/430,609.37
  6. Step 6: Final answer
    x = 453,597.56

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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.