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Finding the Fourth Proportional to 430,349.32, 593,873.54 and 239,358.60

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Solution

The fourth proportional to 430,349.32, 593,873.54 and 239,358.60 is: 330,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,349.32 : 593,873.54 = 239,358.60 : x
  2. Step 2: Convert to fraction form
    430,349.32/593,873.54 = 239,358.60/x
  3. Step 3: Cross multiply
    430,349.32x = 593,873.54 × 239,358.60
  4. Step 4: Simplify right side
    430,349.32x = 142,148,739,111.44
  5. Step 5: Solve for x
    x = 142,148,739,111.44/430,349.32
  6. Step 6: Final answer
    x = 330,310.13

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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.