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Finding the Fourth Proportional to 430,532.32, 594,081.12 and 239,532.16

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Solution

The fourth proportional to 430,532.32, 594,081.12 and 239,532.16 is: 330,524.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,532.32 : 594,081.12 = 239,532.16 : x
  2. Step 2: Convert to fraction form
    430,532.32/594,081.12 = 239,532.16/x
  3. Step 3: Cross multiply
    430,532.32x = 594,081.12 × 239,532.16
  4. Step 4: Simplify right side
    430,532.32x = 142,301,533,888.82
  5. Step 5: Solve for x
    x = 142,301,533,888.82/430,532.32
  6. Step 6: Final answer
    x = 330,524.63

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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.