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Finding the Fourth Proportional to 430,749.84, 594,421.56 and 239,758.32

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Solution

The fourth proportional to 430,749.84, 594,421.56 and 239,758.32 is: 330,859.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,749.84 : 594,421.56 = 239,758.32 : x
  2. Step 2: Convert to fraction form
    430,749.84/594,421.56 = 239,758.32/x
  3. Step 3: Cross multiply
    430,749.84x = 594,421.56 × 239,758.32
  4. Step 4: Simplify right side
    430,749.84x = 142,517,514,597.38
  5. Step 5: Solve for x
    x = 142,517,514,597.38/430,749.84
  6. Step 6: Final answer
    x = 330,859.12

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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.