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Finding the Fourth Proportional to 430,064.40, 593,524.78 and 239,095.56

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Solution

The fourth proportional to 430,064.40, 593,524.78 and 239,095.56 is: 329,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,064.40 : 593,524.78 = 239,095.56 : x
  2. Step 2: Convert to fraction form
    430,064.40/593,524.78 = 239,095.56/x
  3. Step 3: Cross multiply
    430,064.40x = 593,524.78 × 239,095.56
  4. Step 4: Simplify right side
    430,064.40x = 141,909,139,647.98
  5. Step 5: Solve for x
    x = 141,909,139,647.98/430,064.40
  6. Step 6: Final answer
    x = 329,971.84

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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.