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Finding the Fourth Proportional to 430,498.34, 594,090.42 and 236,900.70

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Solution

The fourth proportional to 430,498.34, 594,090.42 and 236,900.70 is: 326,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,498.34 : 594,090.42 = 236,900.70 : x
  2. Step 2: Convert to fraction form
    430,498.34/594,090.42 = 236,900.70/x
  3. Step 3: Cross multiply
    430,498.34x = 594,090.42 × 236,900.70
  4. Step 4: Simplify right side
    430,498.34x = 140,740,437,471.77
  5. Step 5: Solve for x
    x = 140,740,437,471.77/430,498.34
  6. Step 6: Final answer
    x = 326,924.46

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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.