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Finding the Fourth Proportional to 430,014.65, 593,368.65 and 236,390.42

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Solution

The fourth proportional to 430,014.65, 593,368.65 and 236,390.42 is: 326,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,014.65 : 593,368.65 = 236,390.42 : x
  2. Step 2: Convert to fraction form
    430,014.65/593,368.65 = 236,390.42/x
  3. Step 3: Cross multiply
    430,014.65x = 593,368.65 × 236,390.42
  4. Step 4: Simplify right side
    430,014.65x = 140,266,661,421.49
  5. Step 5: Solve for x
    x = 140,266,661,421.49/430,014.65
  6. Step 6: Final answer
    x = 326,190.43

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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.