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Finding the Fourth Proportional to 430,674.38, 594,330.64 and 239,732.87

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Solution

The fourth proportional to 430,674.38, 594,330.64 and 239,732.87 is: 330,831.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,674.38 : 594,330.64 = 239,732.87 : x
  2. Step 2: Convert to fraction form
    430,674.38/594,330.64 = 239,732.87/x
  3. Step 3: Cross multiply
    430,674.38x = 594,330.64 × 239,732.87
  4. Step 4: Simplify right side
    430,674.38x = 142,480,590,056.14
  5. Step 5: Solve for x
    x = 142,480,590,056.14/430,674.38
  6. Step 6: Final answer
    x = 330,831.36

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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.