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Finding the Fourth Proportional to 430,325.44, 593,870.16 and 239,334.76

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Solution

The fourth proportional to 430,325.44, 593,870.16 and 239,334.76 is: 330,293.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,325.44 : 593,870.16 = 239,334.76 : x
  2. Step 2: Convert to fraction form
    430,325.44/593,870.16 = 239,334.76/x
  3. Step 3: Cross multiply
    430,325.44x = 593,870.16 × 239,334.76
  4. Step 4: Simplify right side
    430,325.44x = 142,133,772,214.76
  5. Step 5: Solve for x
    x = 142,133,772,214.76/430,325.44
  6. Step 6: Final answer
    x = 330,293.68

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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.